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Macroscopic quantum tunneling in multigap superconducting Josephson junctions: Escape rate enhancement via quantum fluctuations of Josephson-Leggett mode
Macroscopic quantum superconducting Josephson Escape rate enhancement Josephson-Leggett mode
2010/11/5
We theoretically study the macroscopic quantum tunneling (MQT) in a hetero Josephson junction formed by a conventional single-gap superconductor and a multi-gap one such as ${MgB}_{2}$ and iron-based...
Instantonic Methods for Quantum Tunneling in Finite Size
Path Integral Methods Finite Size Systems Instantons
2010/7/8
The instantonic approach for a f4 model potential is reexamined in the asymptotic limit. The path integral of the system is derived in semiclassical approximation expanding the action around the class...
Theory of two-dimensional macroscopic quantum tunneling in YBa$_2$ Cu$_3$ O$_{7-\delta}$ Josephson junctions coupled to an LC circuit
two-dimensional macroscopic quantum tunneling LC circuit
2010/4/13
We investigate classical thermal activation (TA) and macroscopic quantum tunneling (MQT) for a YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO) Josephson junction coupled to an LC circuit theoretically. Due to the ...
Quantum Tunneling Radiation of Kerr-NUT Black Hole
Kerr-NUT black hole energy conservation angular momentum conservation
tunneling rate
2007/8/15
2006Vol.46No.6pp.991-994DOI:
Quantum Tunneling Radiation of Kerr-NUT Black Hole
LI Hui-Ling,1 YANG Shu-Zheng,2 and QI De-Jiang3
1 College of Physics Science and Technolo...
Quantum Tunneling of Massive Particles from a
Garfinkle-Horowitz-Strominger Dilatonic Black Hole
Hawking radiation quantum tunneling information paradox black hole
2007/8/15
2006Vol.46No.4pp.766-768DOI:
Quantum Tunneling of Massive Particles from a
Garfinkle-Horowitz-Strominger Dilatonic Black Hole
GAO Li and LIU Wen-Biao
Department of Phy...
Quantum Tunneling Radiation of Reissner-Nordström de Sitter
Black Hole with a Global Monopole
Reissner-Nordströ m de Sitter black hole global
monopole energy conservation tunneling rate
2007/8/15
2006Vol.45No.3pp.457-460DOI:
Quantum Tunneling Radiation of Reissner-Nordström de Sitter
Black Hole with a Global Monopole
JIANG Qing-Quan, YANG Shu-Zheng, and LI Hui-Ling
...
Controlled Coherent Quantum Tunneling of Atomic Ensembles
atomic ensemble coherence tunneling
2007/8/15
2003Vol.39No.1pp.109-111DOI:
Controlled Coherent Quantum Tunneling of Atomic Ensembles
MIAO Yuan-Xiu1 and LI Yong2
1 Center for Advanced Study, Tsinghua University,
Beij...
期刊信息
篇名
Observation of quantum tunneling of vortices in MgB2 superconductors
语种
英文
撰写或编译
作者
Y.Z. Zhang,R. Deltour,H.H. Wen,Z.X. Zhao
第一作者单位
刊物名称
Physica C
页面
388, 173~174 (2003).
出版日期
2003年
月
日
文章标识(I...
期刊信息
篇名
Quantum tunneling of vortices in MgB2 superconductor
语种
英文
撰写或编译
作者
Y. Z. Zhang,R. Deltour,H. H. Wen,C. Q. Jin,Y. M. Ni,S. L Jia,G. C. Che,Z. X. Zhao
第一作者单位
刊物名称
APPL. PHYS. LETT
页面
81, 4802~4...
Fluctuations, Classical Activation, Quantum Tunneling, and Phase Transitions
Classical Activation Quantum Tunneling Phase Transitions
2010/10/13
We study two broad classes of physically dissimilar problems, each corresponding to stochastically driven escape from a potential well. The first class, often used to model noise-induced order paramet...
Quantum tunneling dynamics using hydrodynamic trajectories
Quantum tunneling dynamics hydrodynamic trajectories
2010/10/18
In this paper we compute quantum trajectories arising from Bohm’s causal description of quantum mechanics. Our computational methodology is based upon a finite-element moving least-squares method (MWL...