中外物理学精品书系：玻色-爱因斯坦凝聚的基础与前沿（英文影印版） pdf epub mobi txt 电子书下载 2025

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[日] 上田正仁著

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出版社：北京大学出版社

ISBN：9787301251737

版次：1

商品编码：11621120

包装：平装

丛书名：中外物理学精品书系

开本：16开

出版时间：2015-01-01

用纸：胶版纸

页数：372

具体描述

编辑推荐

　　玻色爱因斯坦凝聚是神奇而富有魅力的物理现象。相关研究已经使多位科学家获得了诺贝尔奖。目前。关于冷原子的研究正蓬勃展开，玻色爱因斯坦凝聚正是其理论基础。《中外物理学精品书系：玻色-爱因斯坦凝聚的基础与前沿（英文影印版）》对于相关领域的研究人员来说是不可错过的佳作。

内容简介

　　《中外物理学精品书系：玻色-爱因斯坦凝聚的基础与前沿（英文影印版）》首先介绍了玻色-爱因斯坦凝聚（BEC）的基本理论。之后，《中外物理学精品书系：玻色-爱因斯坦凝聚的基础与前沿（英文影印版）》讨论了快速旋转BEC，旋量和偶极BEC，低维BEC等近来发展迅速的方向。本书还介绍了平衡或非平衡费米液体超流，包括BCS-BEC交叉、幺正气体、p波超流等。本书适合本领域的研究者和研究生阅读。

作者简介

　　（日）上田正仁，日本东京大学教授。

Preface v
1. Fundamentals of Bose-Einstein Condensation 1
1.1 Indistinguishability of Identical Particles . . . . . . . . . . 1
1.2 Ideal Bose Gas in a Uniform System . . . . . . . . . . . . 3
1.3 Off-Diagonal Long-Range Order: Bose System . . . . . . 6
1.4 Off-Diagonal Long-Range Order: Fermi System . . . . . . 10
1.5 U(1)Gauge Symmetry . . . . . . . . . . . . . . . . . . . . 11
1.6 Ground-State Wave Function of a Bose System . . . . . . 13
1.7 BEC and Superfluidity . . . . . . . . . . . . . . . . . . . . 15
1.8 Two-FluidModel . . . . . . . . . . . . . . . . . . . . . . . 20
1.9 Fragmented Condensate . . . . . . . . . . . . . . . . . . . 23
1.9.1 Two-statemodel . . . . . . . . . . . . . . . . . . . 23
1.9.2 Degenerate double-well model . . . . . . . . . . . 25
1.9.3 Spin-1 antiferromagnetic BEC . . . . . . . . . . . 27
1.10 Interference Between Independent Condensates . . . . . . 28
1.11 Feshbach Resonance . . . . . . . . . . . . . . . . . . . . . 31
2. Weakly Interacting Bose Gas 33
2.1 Interactions Between Neutral Atoms . . . . . . . . . . . . 33
2.2 Pseudo-PotentialMethod . . . . . . . . . . . . . . . . . . 36
2.3 Bogoliubov Theory . . . . . . . . . . . . . . . . . . . . . . 40
2.3.1 Bogoliubov transformations . . . . . . . . . . . . . 40
2.3.2 Bogoliubov ground state . . . . . . . . . . . . . . 45
2.3.3 Low-lying excitations and condensate fraction . . 48
2.3.4 Properties of Bogoliubov ground state . . . . . . . 50
2.4 Bogoliubov Theory of Quasi-One-Dimensional Torus . . . 54
2.4.1 Case of BEC at rest: stability of BEC . . . . . . . 55
2.4.2 Case of rotating BEC: Landau criterion . . . . . . 56
2.4.3 Ground state of BEC in rotating torus . . . . . . 59
2.5 Bogoliubov-deGennes (BdG) Theory . . . . . . . . . . . 60
2.6 Method of Binary Collision Expansion . . . . . . . . . . . 65
2.6.1 Equation of state . . . . . . . . . . . . . . . . . . 65
2.6.2 Cluster expansion of partition function . . . . . . 66
2.6.3 Ideal Bose and Fermi gases . . . . . . . . . . . . . 67
2.6.4 Matsubara formula . . . . . . . . . . . . . . . . . 69
3. Trapped Systems 73
3.1 Ideal Bose Gas in a Harmonic Potential . . . . . . . . . . 73
3.1.1 Transition temperature . . . . . . . . . . . . . . . 75
3.1.2 Condensate fraction . . . . . . . . . . . . . . . . . 76
3.1.3 Chemical potential . . . . . . . . . . . . . . . . . 77
3.1.4 Specific heat . . . . . . . . . . . . . . . . . . . . . 77
3.2 BEC in One- and Two-Dimensional Parabolic Potentials . 79
3.2.1 Density of states . . . . . . . . . . . . . . . . . . . 79
3.2.2 Transition temperature . . . . . . . . . . . . . . . 79
3.2.3 Condensate fraction . . . . . . . . . . . . . . . . . 80
3.3 Semiclassical Distribution Function . . . . . . . . . . . . . 81
3.4 Gross-Pitaevskii Equation . . . . . . . . . . . . . . . . . . 83
3.5 Thomas-Fermi Approximation . . . . . . . . . . . . . . . 84
3.6 Collective Modes in the Thomas-Fermi Regime . . . . . . 88
3.6.1 Isotropic harmonic potential . . . . . . . . . . . . 89
3.6.2 Axisymmetric trap . . . . . . . . . . . . . . . . . 91
3.6.3 Scissorsmode . . . . . . . . . . . . . . . . . . . . 92
3.7 VariationalMethod . . . . . . . . . . . . . . . . . . . . . . 93
3.7.1 Gaussian variational wave function . . . . . . . . 94
3.7.2 Collectivemodes . . . . . . . . . . . . . . . . . . . 96
3.8 Attractive Bose-Einstein Condensate . . . . . . . . . . . . 98
3.8.1 Collectivemodes . . . . . . . . . . . . . . . . . . . 99
3.8.2 Collapsing dynamics of an attractive condensate . 102
4. Linear Response and Sum Rules 105
4.1 Linear Response Theory . . . . . . . . . . . . . . . . . . . 105
4.1.1 Linear response of density fluctuations . . . . . . 105
4.1.2 Retarded response function . . . . . . . . . . . . . 108
4.2 Sum Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
4.2.1 Longitudinal f-sumrule . . . . . . . . . . . . . . 110
4.2.2 Compressibility sum rule . . . . . . . . . . . . . . 112
4.2.3 Zero energy gap theorem . . . . . . . . . . . . . . 114
4.2.4 Josephson sum rule . . . . . . . . . . . . . . . . . 115
4.3 Sum-Rule Approach to CollectiveModes . . . . . . . . . . 120
4.3.1 Excitation operators . . . . . . . . . . . . . . . . . 121
4.3.2 Virial theorem . . . . . . . . . . . . . . . . . . . . 122
4.3.3 Kohn theorem . . . . . . . . . . . . . . . . . . . . 123
4.3.4 Isotropic trap . . . . . . . . . . . . . . . . . . . . 124
4.3.5 Axisymmetric trap . . . . . . . . . . . . . . . . . 127
5. Statistical Mechanics of Superfluid Systems in a Moving Frame 129
5.1 Transformation toMoving Frames . . . . . . . . . . . . . 129
5.2 Elementary Excitations of a Superfluid . . . . . . . . . . . 131
5.3 Landau Criterion . . . . . . . . . . . . . . . . . . . . . . . 133
5.4 Correlation Functions at Thermal Equilibrium . . . . . . 134
5.5 Normal Fluid Density . . . . . . . . . . . . . . . . . . . . 136
5.6 Low-Lying Excitations of a Superfluid . . . . . . . . . . . 140
5.7 Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
5.7.1 Ideal Bose gas . . . . . . . . . . . . . . . . . . . . 141
5.7.2 Weakly interacting Bose gas . . . . . . . . . . . . 143
6. Spinor Bose-Einstein Condensate 145
6.1 Internal Degrees of Freedom . . . . . . . . . . . . . . . . . 145
6.2 General Hamiltonian of Spinor Condensates . . . . . . . . 146
6.3 Spin-1 BEC . . . . . . . . . . . . . . . . . . . . . . . . . . 151
6.3.1 Mean-field theory of a spin-1 BEC . . . . . . . . . 153
6.3.2 Many-body states in single-mode approximation . 157
6.3.3 Superflow, spin texture, and Berry phase . . . . . 161
6.4 Spin-2 BEC . . . . . . . . . . . . . . . . . . . . . . . . . . 163
7. Vortices 171
7.1 Hydrodynamic Theory of Vortices . . . . . . . . . . . . . 171
7.2 Quantized Vortices . . . . . . . . . . . . . . . . . . . . . . 174
7.3 Interaction Between Vortices . . . . . . . . . . . . . . . . 180
7.4 Vortex Lattice . . . . . . . . . . . . . . . . . . . . . . . . 181
7.4.1 Dynamics of vortex nucleation . . . . . . . . . . . 181
7.4.2 Collective modes of a vortex lattice . . . . . . . . 183
7.5 FractionalVortices . . . . . . . . . . . . . . . . . . . . . . 186
7.6 Spin Current . . . . . . . . . . . . . . . . . . . . . . . . . 187
7.7 Fast Rotating BECs . . . . . . . . . . . . . . . . . . . . . 189
7.7.1 Lowest Landau level approximation . . . . . . . . 189
7.7.2 Mean field quantum Hall regime . . . . . . . . . . 192
7.7.3 Many-body wave functions of a fast
rotating BEC . . . . . . . . . . . . . . . . . . . . 194
8. Fermionic Superfluidity 197
8.1 Ideal Fermi Gas . . . . . . . . . . . . . . . . . . . . . . . . 197
8.2 Fermi Liquid Theory . . . . . . . . . . . . . . . . . . . . . 200
8.3 Cooper Problem . . . . . . . . . . . . . . . . . . . . . . . 205
8.3.1 Two-body problem . . . . . . . . . . . . . . . . . 205
8.3.2 Many-body problem . . . . . . . . . . . . . . . . . 209
8.4 Bardeen-Cooper-Schrieffer (BCS) Theory . . . . . . . . . 211
8.5 BCS-BEC Crossover at T =0 . . . . . . . . . . . . . . . . 215
8.6 Superfluid Transition Temperature . . . . . . . . . . . . . 219
8.7 BCS-BEC Crossover at T _=0 . . . . . . . . . . . . . . . . 221
8.8 Gor'kov-Melik-Barkhudarov Correction . . . . . . . . . . 225
8.9 Unitary Gas . . . . . . . . . . . . . . . . . . . . . . . . . . 228
8.10 Imbalanced Fermi Systems . . . . . . . . . . . . . . . . . . 231
8.11 P-Wave Superfluid . . . . . . . . . . . . . . . . . . . . . . 234
8.11.1 Generalized pairing theory . . . . . . . . . . . . . 234
8.11.2 Spin-triplet p-wave states . . . . . . . . . . . . . . 238
9. Low-Dimensional Systems 241
9.1 Non-interacting Systems . . . . . . . . . . . . . . . . . . . 241
9.2 Hohenberg-Mermin-Wagner Theorem . . . . . . . . . . . 243
9.3 Two-Dimensional BEC at Absolute Zero . . . . . . . . . . 246
9.4 Berezinskii-Kosterlitz-Thouless Transition . . . . . . . . . 247
9.4.1 Universal jump . . . . . . . . . . . . . . . . . . . . 247
9.4.2 Quasi long-range order . . . . . . . . . . . . . . . 249
9.4.3 Renormalization-group analysis . . . . . . . . . . 250
9.5 Quasi One-Dimensional BEC . . .