玻色子系统中费米子对量子相变的影响
Effect of a fermion on quantum phase transitions in bosonic systems
摘要：
研究了角动量为j的费米子对（s，d）玻色子系统量子相变的影响。结果表明，费米子的存在强烈修改的临界值，在该过渡发生，其性质，即使是小的和中等的值的耦合常数。在外场中的玻色子系统的类比提到。给出了玻色子系统加费米子（奇偶核）中量子相变前兆的实验证据。
英文摘要：
The effect of a fermion with angular momentum j on quantum phase transitions of a (s,d) bosonic system is investigated. It is shown that the presence of a fermion strongly modifies the critical value at which the transition occurs, and its nature, even for small and moderate values of the coupling constant. The analogy with a bosonic system in an external field is mentioned. Experimental evidence for precursors of quantum phase transitions in bosonic systems plus a fermion (odd-even nuclei) is presented.
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