• Archive: Physics

    • Physics 2007 Research Highlights

      • Temperature measurement: In tune with quartz

        Tim Reid

        Published online: 19 December 2007 | doi:10.1038/nchina.2007.269

        Original article citation:

        Jun, X., Bo, Y., Xin, L. & Juan, C. Theoretical model and optimization of a novel temperature sensor based on quartz tuning fork resonators. Phys. Scripta T129, 316–320 (2007).

      • Quantum entanglement: No paradox

        Tim Reid

        Published online: 19 December 2007 | doi:10.1038/nchina.2007.280

        Original article citation:

        Yang, T. et al. All-versus-nothing violation of local realism by two-photon, four-dimensional entanglement. Phys. Rev. Lett. 95, 240406 (2005).

      • Particle physics: X marks the spot Open !

        Tim Reid

        Published online: 19 December 2007 | doi:10.1038/nchina.2007.281

        Original article citation:

        Ablikim, M. et al. Observation of a resonance X(1835) in J/psi right arrow italic gammapi+pi-eta'. Phys. Rev. Lett. 95, 262001 (2005).

      • Cryopreservation: Electrically frozen Open !

        Tim Reid

        Published online: 05 December 2007 | doi:10.1038/nchina.2007.259

        Original article citation:

        Sun, W., Xu, X., Zhang, H. & Xu, C. Effects of dipole polarization of water molecules on ice formation under an electrostatic field. Cryobiol. doi: 10.1016/j.cryobiol.2007.10.173 (2007).

      • Biosonar: Echoes on the nose

        Felix Cheung

        Published online: 28 November 2007 | doi:10.1038/nchina.2007.250

        Original article citation:

        Zhuang, Q & Müller, R. Numerical study of the effect of the noseleaf on biosonar beamforming in a horseshoe bat. Phys. Rev. E 76, 051302 (2007).

      • Bipedal nanomotors: Asymmetry locked in

        Wei Zeng

        Published online: 28 November 2007 | doi:10.1038/nchina.2007.252

        Original article citation:

        Wang, Z. Synergic mechanism and fabrication target for bipedal nanomotors. PNAS 104, 17921–17926 (2007).

      • Acoustic metamaterials: Silence all around

        Felix Cheung

        Published online: 14 November 2007 | doi:10.1038/nchina.2007.238

        Original article citation:

        Chen, H. & Chan, C. T. Acoustic cloaking in three dimensions using acoustic metamaterials. Appl. Phys. Lett. 91, 183518 (2007).

      • Nanochannels: Driven by charges

        Wei Zeng

        Published online: 14 November 2007 | doi:10.1038/nchina.2007.242

        Original article citation:

        Gong, X. et al. A charge-driven molecular water pump. Nature Nanotech. doi: 10.1038/nnano.2007.320 (2007).

      • Laser ablation: Capturing a piece of the action

        Felix Cheung

        Published online: 31 October 2007 | doi:10.1038/nchina.2007.225

        Original article citation:

        Zhang, N., Zhu, X., Yang, J., Wang, X. & Wang, M. Time-resolved shadowgraphs of material ejection in intense femtosecond laser ablation of aluminum. Phys. Rev. Lett. 99, 167602 (2007).

      • Photonic crystals: From peaks to valleys

        Felix Cheung

        Published online: 17 October 2007 | doi:10.1038/nchina.2007.215

        Original article citation:

        Han, G. Z., Xie, Z. Y., Zheng, D., Sun, L. G. & Gu, Z. Z. Phototunable photonic crystals with reversible wavelength choice. Appl. Phys. Lett. 91, 141114 (2007).

      • Waveguides: Knowing right from left

        Tim Reid

        Published online: 26 September 2007 | doi:10.1038/nchina.2007.195

        Original article citation:

        Yao, Y. H. et al. Realization of a super waveguide for high-power-density generation and transmission using right- and left-handed transmission-line circuits. Phys. Rev. E 76, 036602 (2007).

      • Quantum dots: Two is not a crowd

        Tim Reid

        Published online: 19 September 2007 | doi:10.1038/nchina.2007.190

        Original article citation:

        Li, S. S. & Xia, J. B. Electronic structures of N quantum dot molecule. Appl. Phys. Lett. 91, 092119 (2007).

      • Thin films: The stress test

        Tim Reid

        Published online: 19 September 2007 | doi:10.1038/nchina.2007.191

        Original article citation:

        Tang, Y. J. et al. Ultra-sensitive, highly reproducible film stress characterization using flexible suspended thin silicon plates and local curvature measurements. J. Micromech. Microeng. 17, 1923–1930 (2007).

      • Molecular dynamics: All about the energy

        Wei Zeng

        Published online: 12 September 2007 | doi:10.1038/nchina.2007.185

        Original article citation:

        Che, L. et al. Breakdown of the Born–Oppenheimer approximation in the F + o-D2 right arrow DF + D reaction. Science 317, 1061–1064 (2007).

      • Superheavy elements: Finding the right ingredients Open !

        Tim Reid

        Published online: 12 September 2007 | doi:10.1038/nchina.2007.186

        Original article citation:

        Feng, Z. Q. et al. Possible way to synthesize superheavy element Z = 117. Chin. Phys. Lett. 24, 2551–2554 (2007).

      • Metallic glasses: Small and stretchy

        Wei Zeng

        Published online: 05 September 2007 | doi:10.1038/nchina.2007.178

        Original article citation:

        Guo, H. et al. Tensile ductility and necking of metallic glass. Nature Mater. doi: 10.1038/nmat1984 (2007).

      • Sonic crystals: Bending sound twice

        Rachel Pei Chin Won

        Published online: 05 September 2007 | doi:10.1038/nchina.2007.180

        Original article citation:

        Liu, M. H. et al. Negative birefraction of acoustic waves in a sonic crystal. Nature Mater. doi: 10.1038/nmat1987 (2007).

      • Metamaterials: Perfect invisibility

        Tim Reid

        Published online: 05 September 2007 | doi:10.1038/nchina.2007.182

        Original article citation:

        Chen, H., Wu, B. I., Zhang, B. & Kong, J. A. Electromagnetic wave interactions with a metamaterial cloak. Phys. Rev. Lett. 99, 063903 (2007).

      • Magnetic nanoparticles: Artificial enzymes

        Tim Reid

        Published online: 29 August 2007 | doi:10.1038/nchina.2007.172

        Original article citation:

        Gao, L. et al. Intrinsic peroxidase-like activity of ferromagnetic nanoparticles. Nature Nanotech. doi: 10.1038/nnano.2007.260 (2007).

      • Anisotropic materials: Not affected by temperature

        Anne Pichon

        Published online: 22 August 2007 | doi:10.1038/nchina.2007.165

        Original article citation:

        Ye, Q. et al. Large anisotropy and effect of deuteration on permittivity in an olefin copper(I) complex. Angew. Chem. Int. Edn doi: 10.1002/anie.200700629 (2007).

      • Super-hard conductors: Electric diamonds

        Tim Reid

        Published online: 22 August 2007 | doi:10.1038/nchina.2007.167

        Original article citation:

        Yang, J., Sun, H., He, J., Tian, Y. & Chen, C. Diamond-like BC3 as a superhard conductor identified by ideal strength calculations. J. Phys.: Condens. Matter 19, 346223 (2007).

      • Lasers: Nanonet confinement

        Rachel Pei Chin Won

        Published online: 15 August 2007 | doi:10.1038/nchina.2007.159

        Original article citation:

        Liao, Q. et al. Spatially confined light output of a crystalline zinc oxide nanonet laser. Appl. Phys. Lett. 91, 041103 (2007).

      • Wealth distribution: Power trend

        Tim Reid

        Published online: 15 August 2007 | doi:10.1038/nchina.2007.163

        Original article citation:

        Ding, N. & Wang, Y. G. Power-law tail in the Chinese wealth distribution. Chin. Phys. Lett. 24, 2434–2436 (2007).

      • Robotics: Fish moving boxes Open !

        Wei Zeng

        Published online: 15 August 2007 | doi:10.1038/nchina.2007.164

        Original article citation:

        Zhang, D., Wang, L. & Yu, J. Coordinated control of two biomimetic robotic fish in pushing-object task. IET Control Theory Appl. 1, 1200–1207 (2007).

      • Particle physics: Hidden states Open !

        Tim Reid

        Published online: 08 August 2007 | doi:10.1038/nchina.2007.150

        Original article citation:

        Ablikim, M. et al. Measurement of psi(2S) radiative decays. Phys. Rev. Lett. 99, 011802 (2007).

      • Composite materials: Radar shields

        Tim Reid

        Published online: 08 August 2007 | doi:10.1038/nchina.2007.155

        Original article citation:

        He, Y., Gong, R., Cao, H., Wang, X. & Zheng, Y. Preparation and microwave absorption properties of metal magnetic micropowder-coated honeycomb sandwich structures. Smart Mater. Struct. 16, 1501–1505 (2007).

      • Carbon nanotubes: Cool light

        Tim Reid

        Published online: 08 August 2007 | doi:10.1038/nchina.2007.156

        Original article citation:

        Wei, Y. et al. Cold linear cathodes with carbon nanotube emitters and their application in luminescent tubes. Nanotechnology 18, 325702 (2007).

      • Frustrated magnets: Seeking stardom

        Anne Pichon

        Published online: 25 July 2007 | doi:10.1038/nchina.2007.149

        Original article citation:

        Zheng, Y. Z. et al. A "star" antiferromagnet: A Polymeric iron(III) acetate that exhibits both spin frustration and long-range magnetic ordering. Angew. Chem. Int. Edn doi: 10.1002/anie.200701954 (2007).

      • Attosecond pulses: Launch control

        Felix Cheung

        Published online: 18 July 2007 | doi:10.1038/nchina.2007.139

        Original article citation:

        Cao, W., Lu, P., Lan, P., Wang, X. & Li, Y. Control of the launch of attosecond pulses. Phys. Rev. A 75, 063423 (2007).

      • Nanowires: Gas detection in miniature

        Tim Reid

        Published online: 11 July 2007 | doi:10.1038/nchina.2007.130

        Original article citation:

        Wan, Q. et al. Fabrication and ethanol sensing characteristics of ZnO nanowire gas sensors. Appl. Phys. 84, 3654–3656 (2004).

      • Encryption: Organized chaos

        Tim Reid

        Published online: 11 July 2007 | doi:10.1038/nchina.2007.131

        Original article citation:

        Lu, J. & Cao, J. Adaptive complete synchronization of two identical or different chaotic (hyperchaotic) systems with fully unknown parameters. Chaos 15, 043901 (2005).

      • Molecular devices: A brilliant crossword puzzle

        Anne Pichon

        Published online: 11 July 2007 | doi:10.1038/nchina.2007.134

        Original article citation:

        Guo, Z., Zhu, W., Shen, L. & Tian, H. A fluorophore capable of crossword puzzles and logic memory. Angew. Chem. Int. Edn doi: 10.1002/anie.200700526 (2007).

      • Optical spanner: Crystals in a spin

        Wei Zeng

        Published online: 11 July 2007 | doi:10.1038/nchina.2007.136

        Original article citation:

        Chen, L. X., Cheng, G. & She, W. Electrically and magnetically controlled optical spanner based on the transfer of spin angular momentum of light in an optically active medium. Phys. Rev. A doi: 10.1103/PhysRevA.75.061403 (2007).

      • Small-world networks: Let the game go on

        Felix Cheung

        Published online: 11 July 2007 | doi:10.1038/nchina.2007.137

        Original article citation:

        Xu, X., Hu, J. & Liu, F. Complex network study of Asian Go players. Chaos 17, 023111 (2007).

      • Solar wind: Charge on the belt

        Tim Reid

        Published online: 04 July 2007 | doi:10.1038/nchina.2007.122

        Original article citation:

        Yuan, Z. & Deng, X. Effects of continuous solar wind pressure variations on the long-lasting penetration of the interplanetary electric field during southward interplanetary magnetic field. Adv. Space Res. 39, 1342–1346 (2007).

      • Mesoporous materials: Titania urchins

        Wei Zeng

        Published online: 04 July 2007 | doi:10.1038/nchina.2007.124

        Original article citation:

        Li, H. et al. Mesoporous titania spheres with tunable chamber structure and enhanced photocatalytic activity. J. Am. Chem. Soc. doi: 10.1021/ja072191c (2007).

      • Metallic glasses: Changes under pressure

        Anne Pichon

        Published online: 04 July 2007 | doi:10.1038/nchina.2007.126

        Original article citation:

        Liu, X. R. & Hong, S. M. Evidence for a pressure-induced phase transition of amorphous to amorphous in two lanthanide-based bulk metallic glasses. Appl. Phys. Lett. 90, 251903 (2007).

      • Magnetic reconnection: From null to null Open !

        Felix Cheung

        Published online: 04 July 2007 | doi:10.1038/nchina.2007.127

        Original article citation:

        Xiao, C. J. et al. Satellite observations of separator-line geometry of three-dimensional magnetic reconnection. Nature Phys. doi: 10.1038/nphys650 (2007).

      • Zinc oxide: Crystal under pressure

        Tim Reid

        Published online: 27 June 2007 | doi:10.1038/nchina.2007.116

        Original article citation:

        Cai, J. & Chen, N. First-principles study of the wurtzite-to-rocksalt phase transition in zinc oxide. J. Phys. Condens. Matter 19, 266207 (2007).

      • Super-excited states: Change the channel

        Wei Zeng

        Published online: 27 June 2007 | doi:10.1038/nchina.2007.120

        Original article citation:

        Zhang, W. H., He, C. L., Hao, Y. S., Mo, Y. X. & Li, J. M. A theoretical study of super-excited states of F2. Chin. Phys. Lett. 24, 1220–1223 (2007).

      • Fluid dynamics: Understanding Hurricane Katrina

        Padma Kant Shukla

        Published online: 27 June 2007 | doi:10.1038/nchina.2007.121

        Original article citation:

        Lou, S. Y., Jia, M., Tang, X. Y. & Huang, F. Vortices, circumfluence, symmetry groups, and Darboux transformations of the (2+1)-dimensional Euler equation. Phys. Rev. E. 75, 056318 (2007).

      • Insulator-to-metal transition: Breaking down resistance

        Tim Reid

        Published online: 20 June 2007 | doi:10.1038/nchina.2007.112

        Original article citation:

        Dong, S. et al. Electric field induced collapse of the charge-ordered phase in manganites. J. Phys.: Condens. Matter 19, 266202 (2007).

      • Robotic vision: Head-hunting Open !

        Tim Reid

        Published online: 13 June 2007 | doi:10.1038/nchina.2007.104

        Original article citation:

        Hao, W., Zhang, B. & Tian, W. Head tracking by means of probabilistic neural networks. Meas. Sci. Technol. 18, 1999–2004 (2007).

      • Carbon nanotubes: Twist 'n' roll

        Rachel Pei Chin Won

        Published online: 06 June 2007 | doi:10.1038/nchina.2007.102

        Original article citation:

        Li, X., Yang, W. & Liu, B. Bending induced rippling and twisting of multiwalled carbon nanotubes. Phys. Rev. Lett. 98, 205502 (2007).

      • Permafrost: Rocks are cool

        Tim Reid

        Published online: 06 June 2007 | doi:10.1038/nchina.2007.98

        Original article citation:

        Cheng, G., Lai, Y., Sun, Z. & Jiang, F. The 'thermal semi-conductor' effect of crushed rocks. Permafrost Periglac. Processes 18, 151–160 (2007).

      • Carbon nanotubes: One-way twist

        Felix Cheung

        Published online: 30 May 2007 | doi:10.1038/nchina.2007.90

        Original article citation:

        Chang, T. Torsional behavior of chiral single-walled carbon nanotubes is loading direction dependent. Appl. Phys. Lett. 90, 201910 (2007).

      • Solar Cells: Taking the sun Open !

        Anne Pichon

        Published online: 23 May 2007 | doi:10.1038/nchina.2007.85

        Original article citation:

        Wong, W. Y. et al. Metallated conjugated polymers as a new avenue towards high-efficiency polymer solar cells. Nature Mater. (2007).

      • DNA sequencing: Keeping in line

        Tim Reid

        Published online: 23 May 2007 | doi:10.1038/nchina.2007.88

        Original article citation:

        An, H. et al. Single-base resolution and long-coverage sequencing based on single-molecule nanomanipulation. Nanotechnol. 18, 225101 (2007).

      • Alloys: Six of one Open !

        Anne Pichon

        Published online: 16 May 2007 | doi:10.1038/nchina.2007.83

        Original article citation:

        Zhou, Y. J., Zhang, Y., Wang, Y. L. & Chen, G. L. Solid solution alloys of AlCoCrFeNiTix with excellent room-temperature properties. Appl. Phys. Lett. 90, 181904 (2007).

      • Metamaterials: Mission invisible

        Felix Cheung

        Published online: 02 May 2007 | doi:10.1038/nchina.2007.66

        Original article citation:

        Fan, X., Wang, G. P., Lee, J. C. W. &Chan, C. T. All-angle broadband negative refraction of metal waveguide arrays in the visible range: Theoretical analysis and numerical demonstration. Phys. Rev. Lett. 97, 073901 (2006).

      • Nonlinear equations: Waves get new dimension

        Lucy Heady

        Published online: 25 April 2007 | doi:10.1038/nchina.2007.60

        Original article citation:

        Lou, S. Y. & Ruan, H. Y. Revisitation of the localized excitations of the (2 + 1)-dimensional KdV equation. J. Phys. A 34, 305–316 (2001).

      • Quantum information: Cavity control

        Lucy Heady

        Published online: 25 April 2007 | doi:10.1038/nchina.2007.61

        Original article citation:

        Zheng, S. B. & Guo, G. C. Efficient Scheme for two-atom entanglement and quantum information processing in cavity QED. Phys. Rev. Lett. 85, 2392–2395 (2000).

      • Spin current: A new angle Open !

        Lucy Heady

        Published online: 25 April 2007 | doi:10.1038/nchina.2007.62

        Original article citation:

        Sun, Q. F. & Xie, X. C. Definition of the spin current: The angular spin current and its physical consequences. Phys. Rev. B 72, 245305 (2005).

      • Computed tomography: A time to refract Open !

        Ke Jiang

        Published online: 11 April 2007 | doi:10.1038/nchina.2007.40

        Original article citation:

        Zhu, P. P. et al. Computed tomography algorithm based on diffraction-enhanced imaging setup. Appl. Phys. Lett. 87, 264101 (2005).

      • Semiconductors: Electric current in a spin Open !

        Lucy Heady

        Published online: 28 February 2007 | doi:10.1038/nchina.2007.22

        Original article citation:

        Shi, J., Zhang, P., Xiao, D. & Niu, Q. Proper definition of spin current in spin-orbit coupled systems. Phys. Rev. Lett. 96, 076604 (2006).

      • Earth's magnetosphere: Outstanding in the field Open !

        Tim Reid

        Published online: 31 January 2007 | doi:10.1038/nchina.2007.070131-5

        Original article citation:

        Xiao, C. J. et al. In situ evidence for the structure of the magnetic null in a 3D reconnection event in the Earth's magnetotail. Nature Phys. 2, 478–483 (2006).

      • Planar C60 arrays: The new order

        Lucy Heady

        Published online: 18 January 2007 | doi:10.1038/nchina.2007.070118-25

        Original article citation:

        Hou, J. G. et al. Surface science: Topology of two-dimensional C60 domains. Nature 409, 304–305 (2001).

      • Gamma-ray bursts: When two become one

        Paul Hanlon

        Published online: 18 January 2007 | doi:10.1038/nchina.2007.070118-27

        Original article citation:

        Dai, Z. G., Wang, X. Y., Wu, X. F. & Zhang, B. X-ray Flares from Postmerger Millisecond Pulsars. Science 311, 1127–1129 (2006).

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