The possibility of a liquid superconductor.

The possibility of a liquid superconductor.
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液体超导体的可能性。

DOI:
10.1002/cphc.200600241
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发表时间:
2006
期刊:
a European journal of chemical physics and physical chemistry
影响因子:
--
通讯作者:
Edwards PP
Edwards PP
中科院分区:
--
文献类型:
--
作者:
Edwards PP

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所有的超导体在其超导状态下都是固体,这种物质的典型电子状态目前只在低于固体熔化温度的情况下才被观察到。铜酸盐高温超导性的发现大大拓宽了我们对物理现象的理论理解。许多观察指出,具有高超导转变温度的超导体可能不是传统的巴丁-库珀-施里弗(BCS)超导体,而是来自真实的空间对的玻色-爱因斯坦凝聚。虽然BCS超导体存在于固体状态(可能与金属液氢在100 ℃的压力除外),我们认为在这里,超导带电玻色液体可能会发现在一个真正的液体状态的凝聚态物质在环境压力。在流体金属氨溶液中概述了一种实验方案,用于稳定和观察高温超导液体(约100 ℃)。230 K)或至少在相应的淬火溶液中的玻璃态超导体(约。160 K)。
All superconductors are solids in their superconducting state, this canonical electronic state of matter presently having only been observed well below the melting temperature of the solid. The discovery of high‐temperature superconductivity in cuprates has widened significantly our horizons of the theoretical understanding of the physical phenomenon. A number of observations point to the possibility that superconductors with a high superconducting transition temperature may not be conventional Bardeen–Cooper–Schrieffer (BCS) superconductors, but rather derive from the Bose–Einstein condensation of real‐space pairs. While BCS superconductors exist in the solid state (probably with the exception of metallic liquid hydrogen at ultrahigh pressures), we argue here that a superconducting charged Bose liquid may be found in a true liquid state of condensed matter at ambient pressure. An experimental scenario is outlined in fluid metal–ammonia solutions for stabilizing and observing a high‐temperature superconducting liquid (ca. 230 K) or at least a vitreous superconductor in the corresponding quenched solutions (ca. 160 K).
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影响因子: --
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