凝聚態(tài)和原子物理中的多體現(xiàn)象-全文預(yù)覽
【正文】 necessarily have to be equal. They happen to be equal in a clean superconductor in the absence of external pairbreaking fields or flows, but are not equal in general. c)考慮與流動同時移動的參考系下的BCS配對。結(jié)合b)的結(jié)果，證明能隙及配對幅Δ不需要一定相等。 b) Show that the energy gap between the BCS ground state and the first excited state is reduced in the presence of the flow. Find the critical velocity at which the gap vanishes. b)證明BCS基態(tài)及第一激發(fā)態(tài)之間的能隙在存在流動的情況下將被縮小。找出Tc值3. Gap suppression in a superflow. Critical current. 在超流中的能隙壓縮?！碞〉可以取負(fù)值？解析該結(jié)果。: Manybody phenomena in condensed matter and atomic p
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