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Frontiers of Physics 2011年第3期

已有 4202 次阅读 2011-7-18 15:29 |个人分类:Frontiers of Physics|系统分类:科研笔记

Frontiers of Physics, 2011, Vol. 6, No. 3


Atomic, Molecular, and Optical Physics

Cavity opto-mechanics with cold atomic gas
Ke-ye ZHANG (张可烨), Lu ZHOU (周鲁), Guang-jiong DONG (董光炯), Wei-ping ZHANG (张卫平)

Optimal phase sensitivity of atomic Ramsey interferometers with coherent spin states
Guang-ri JIN, Yong-chun LIU, Li YOU

Coherent effects in a three-photon CPT process of Ca+

Qu LIU (刘曲), Bao-quan OU (欧保全), Xi-wen ZHU (朱熙文), Ke-lin GAO (高克林)

Extending the trapping lifetime of single atom in a microscopic far-off-resonance optical dipole trap

Jun HE, Bao-dong YANG, Yong-jie CHENG, Tian-cai ZHANG, Jun-min WANG

Condensed Matter and Materials Physics

Transport in graphene nanostructures

Christoph Stampfer, Stefan Fringes, Johannes Güttinger, Francoise Molitor, Christian Volk, Bernat Terrés, Jan Dauber, Stephan Engels, Stefan Schnez, Arnhild Jacobsen

Quantum simulation of molecular interaction and dynamics at surfaces

Zi-jing DING (丁子敬), Yang JIAO (焦扬), Sheng MENG (孟胜)

Local states around two nonmagnetic impurities in cuprate superconductors

Zhan-peng HUANG, Xia-xia WAN, Feng YUAN

Theoretical study of photon emission from single quantum dot emitter coupled to surface plasmons

Guang-cun SHAN (单光存),  Shu-ying BAO (包术颖),  Kang ZHANG (张康),  Wei HUANG (黄维)

Particle Physics, Nuclear Physics, Cosmology, and Astrophysics

New microscopic wave function of α-condensation



Soft Matter, Biological Physics, and Interdisciplinary Physics

Flat-head power-law, size-independent clustering and scaling of coevolutionary scale-free networks

Chen-ping ZHU (朱陈平), Xiao-ting LIU (刘小廷), Zhi-ming GU (古志鸣)

Cover illustration

The recent achievements in fabricating nanostructured graphene devices have led to number of exciting advances in the field of carbon-based mesoscopic physics and quantum transport. As an important example, graphene quantum dots are promising candidates for future implementation of spin-based qubits with long spin coherence times exceeding values known from today’s III-V material quantum dots. The two limiting factors spinorbit interactions and hyperfine splitting that lower spin lifetimes in these materials are expected to be far less prominent in graphene leading to more reliable devices. On the way to these systems a number of technological challenges have still to be overcome, such as for example well-behaving tunneling barriers and controllable confinement potentials. These efforts not only will bridge molecular and solid state physics but they will open also the door to many more interesting details of confined quasi-particles in graphene allowing to make use of the special graphene material properties in future mesoscopic devices. More details could be found in the article “Transport in graphene nanostructures” by Christoph Stampfer et al., pp 271293. [Photo credits: Christoph STAMPFER, RWTH Aachen University, Germany].



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