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Relevant bibliographies by topics / High temperature superconductors. Vortex-motion. Quasiparticles (Physics)

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Academic literature on the topic 'High temperature superconductors. Vortex-motion. Quasiparticles (Physics)'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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Journal articles on the topic "High temperature superconductors. Vortex-motion. Quasiparticles (Physics)"

1

Kunchur, Milind N., and James M. Knight. "Hot-Electron Instability in Superconductors." Modern Physics Letters B 17, no. 10n12 (2003): 549–58. http://dx.doi.org/10.1142/s0217984903005573.

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High flux velocities in a superconductor can distort the quasiparticle distribution function and elevate the electronic temperature. Close to T c , a non-thermal distribution function shrinks the vortex core producing the well-known Larkin-Ovchinnikov flux instability. In the present work we consider the opposite limit of low temperatures, where electron-electron scattering is more rapid than electron-phonon, resulting in an electronic temperature rise with a thermal-like distribution function. This produces a different kind of flux instability, due to a reduction in condensate and expansion o

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2

Wördenweber, Roger. "Mechanism of vortex motion in high-temperature superconductors." Reports on Progress in Physics 62, no. 2 (1999): 187–236. http://dx.doi.org/10.1088/0034-4885/62/2/003.

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PARK, TUSON, and M. B. SALAMON. "STUDY ON UNCONVENTIONAL SUPERCONDUCTORS VIA ANGLE-RESOLVED SPECIFIC HEAT." Modern Physics Letters B 18, no. 24 (2004): 1205–23. http://dx.doi.org/10.1142/s0217984904007785.

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The gap function in unconventional superconductors may vanish at points or lines in momentum space, permitting electronic excitations, termed "nodal quasiparticles", to exist at temperatures well below the superconducting transition. In the vortex phase, the presence of nodal quasiparticles should be directly observable through the variation of the heat capacity with the angle between a magnetic field and the location of the zeroes of the gap. The heat capacity of candidate nonmagnetic unconventional superconductors Lu ( Y ) Ni 2 B 2 C were found to exhibit fourfold oscillations with field ang

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4

Zheng, Guo-Qing. "Extended Quasiparticle States Outside the Vortex Cores in a d-Wave Superconductor." International Journal of Modern Physics B 17, no. 18n20 (2003): 3509–12. http://dx.doi.org/10.1142/s0217979203021307.

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We a describe a measurement of the spin Knight shift (Ks) around the middle point between two vortices as a function of magnetic field (H) up to 28 T in a high-Tc superconductor TlSr 2 CaCu 2 O 6.8. At low temperatures, Ks increases substantially with increasing field, which indicates that the quasiparticle states with an ungapped spectrum are extended outside the vortex cores in a d-wave superconductor. The density of such states is found to be [Formula: see text], with N0 being the normal-state density of states and Hc2 being the upper critical field.

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5

Knežević, Irena, and Zoran Radović. "Quasiparticle excitation spectrum of an isolated vortex in a high-temperature superconductor." Physica C: Superconductivity 317-318 (May 1999): 640–44. http://dx.doi.org/10.1016/s0921-4534(99)00162-8.

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6

DÓRA, BALÁZS, KAZUMI MAKI, and ATTILA VIROSZTEK. "RECENT ADVANCES IN UNCONVENTIONAL DENSITY WAVES." Modern Physics Letters B 18, no. 09 (2004): 327–44. http://dx.doi.org/10.1142/s0217984904006925.

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The unconventional density wave (UDW) was speculated on as a possible electronic ground state in the excitonic insulator in 1968. The recent surge of interest in UDW's is partly due to the proposal that the pseudogap phase in high Tc cuprate superconductors is a d-wave density wave (d-DW). Here we review our recent works on UDW's within the framework of mean field theory. In particular, we have shown that many properties of the low temperature phase (LTP) in α-( BEDT-TTF )2 MHg ( SCN )4, with M = K , Rb and Tl , are well characterized in terms of the unconventional charge density wave (UCDW).

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7

Kirschner, I., R. Laiho, A. C. Bódi, E. Lähderanta, and I. Vajda. "Direct Determination of the Velocity of Vortices in High-Tc Superconductors by a Non-Equilibrium Method." International Journal of Modern Physics B 12, no. 29n31 (1998): 3288–91. http://dx.doi.org/10.1142/s0217979298002489.

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As is shown, thermally assisted vortex motion can come into being in high-T c superconductors due to the applied temperature gradient. Its behavior strongly depends on the local and global microstructure of the samples, moreover on the temperature and magnetic field. Investigation of the density, size and intensity of the pinning centers of specimens leads to the conclusion that the higher homogeneity immediately weakens and the lower one strenghtens the pinning, thus the former promotes and the latter impedes the vortex motion. The non-equilibrium experimental technique together with a.c. sus

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8

LIANG FANG-YING and JIANG WEN-ZHI. "VORTEX MOTION AND THE HALL EFFECT IN HIGH TEMPERATURE SUPERCONDUCTORS——A TIME DEPENDANT GINZBURG LANDAU THEORY APPROACH." Acta Physica Sinica 46, no. 12 (1997): 2431. http://dx.doi.org/10.7498/aps.46.2431.

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9

MA, Y. L., and X. X. DAI. "PHENOMENOLOGICAL IMPLICATIONS OF HIGH-Tc SUPERCONDUCTIVITY." International Journal of Modern Physics B 06, no. 14 (1992): 2499–519. http://dx.doi.org/10.1142/s0217979292001250.

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We develop a phenomenological model for high-T c superconductors. Some main features are emerging in copper oxides: characteristic quasi two-dimensional Cu-O planes, strong correlation of antiferromagnetism, existence of a vortex lattice structure, and observation of a small coherence length and a large penetration depth. These features indicate that the superconductive pair is reasonably constrained to a small volume in real space and may be conceived of as a string-carrying vortex, and therefore can be well simulated by the dual phenomenological local boson fields [Formula: see text] and Φ.

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10

Zeng, Hua-Bi, Chuan-Yin Xia, and Hai-Qing Zhang. "Topological defects as relics of spontaneous symmetry breaking from black hole physics." Journal of High Energy Physics 2021, no. 3 (2021). http://dx.doi.org/10.1007/jhep03(2021)136.

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Abstract Formation and evolution of topological defects in course of non-equilibrium symmetry breaking phase transitions is of wide interest in many areas of physics, from cosmology through condensed matter to low temperature physics. Its study in strongly coupled systems, in absence of quasiparticles, is especially challenging. We investigate breaking of U(1) symmetry and the resulting spontaneous formation of vortices in a (2 + 1)-dimensional holographic superconductor employing gauge/gravity duality, a ‘first-principles’ approach to study strongly coupled systems. Magnetic fluxons with quan

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Dissertations / Theses on the topic "High temperature superconductors. Vortex-motion. Quasiparticles (Physics)"

1

Rose, Richard Alexander. "Vortex motion and pinning in high temperature superconductors." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315999.

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Books on the topic "High temperature superconductors. Vortex-motion. Quasiparticles (Physics)"

1

Narlikar, Anant V. Vortex Physics: Studies of High Temperature Superconductors. Nova Science Publishers, 2002.

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2

Narlikar, Anant V. Vortex Physics And Flux Pinning: Studies of High Temperature Superconductors. Nova Science Publishers, 2005.

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3

(Editor), Takeshi Kobayashi, Hisao Hayakawa (Editor), and Masayoshi Tonouchi (Editor), eds. Vortex Electronics and SQUIDs (Topics in Applied Physics). Springer, 2004.

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