NDLI: Quantized Vortex State in hcp Solid $^{4}$He

Content Provider	Springer Nature Link
Author	Kubota, Miru
Copyright Year	2012
Abstract	The quantized vortex state appearing in the recently discovered new states in hcp $^{4}$He since their discovery (Kim and Chan, Nature, 427:225–227, 2004; Science, 305:1941, 2004) is discussed. Special attention is given to evidence for the vortex state as the vortex fluid (VF) state (Anderson, Nat. Phys., 3:160–162, 2007; Phys. Rev. Lett., 100:215301, 2008; Penzev et al., Phys. Rev. Lett., 101:065301, 2008; Nemirovskii et al., arXiv:0907.0330 , 2009) and its transition into the supersolid (SS) state (Shimizu et al., arXiv:0903.1326 , 2009; Kubota et al., J. Low Temp. Phys., 158:572–577, 2010; J. Low Temp. Phys., 162:483–491, 2011). Its features are described. The historical explanations (Reatto and Chester, Phys. Rev., 155(1):88–100, 1967; Chester, Phys. Rev. A, 2(1):256–258, 1970; Andreev and Lifshitz, JETP Lett., 29:1107–1113, 1969; Leggett, Phys. Rev. Lett., 25(22), 1543–1546, 1970; Matsuda and Tsuneto, Prog. Theor. Phys., 46:411–436, 1970) for the SS state in quantum solids such as solid $^{4}$He were based on the idea of Bose Einstein Condensation (BEC) of the imperfections such as vacancies, interstitials and other possible excitations in the quantum solids which are expected because of the large zero-point motions. The SS state was proposed as a new state of matter in which real space ordering of the lattice structure of the solid coexists with the momentum space ordering of superfluidity. A new type of superconductors, since the discovery of the cuprate high T $_{ c }$ superconductors, HTSCs (Bednorz and Mueller, Z. Phys., 64:189, 1986), has been shown to share a feature with the vortex state, involving the VF and vortex solid states. The high T $_{ c }$s of these materials are being discussed in connection to the large fluctuations associated with some other phase transitions like the antiferromagnetic transition in addition to that of the low dimensionality. The supersolidity in the hcp solid $^{4}$He, in contrast to the new superconductors which have multiple degrees of freedom of the Cooper pairs with spin as well as angular momentum freedom, has a unique feature of possessing possibly only the momentum fluctuations and vortex ring excitations associated with the possible low dimensional fluctuations of the subsystem(s). The high onset temperature of the VF state can be understood by considering thermally excited low D quantized vortices and it may be necessary to seek low dimensional sub-systems in hcp He which are hosts for vortices.
Starting Page	228
Ending Page	247
Page Count	20
File Format	PDF
ISSN	00222291
Journal	Journal of Low Temperature Physics
Volume Number	169
Issue Number	3-4
e-ISSN	15737357
Language	English
Publisher	Springer US
Publisher Date	2012-07-18
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Solid He Vortex state Vortex fluid state Supersolid state Condensed Matter Physics Characterization and Evaluation of Materials Magnetism, Magnetic Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Materials Science

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Vortex Dynamics in hcp Solid $^{4}$He

Probable Observation of Quantized Vortex Lines Through Solid He Under DC Rotation

A Glassy Contribution to the Heat Capacity of hcp $^{4}$He Solids

Shear Modulus in Viscoelastic Solid $^{4}$He

The Glassy Response of Solid $^{4}$He to Torsional Oscillations

In Pursuit of the Elusive Supersolid

Hysteretic Response of Torsionally Oscillated Solid $^{4}$He and Its Dependence on $^{3}$He Impurity Concentration

Self Diffusion in Solid $^{4}$He and $^{3}$He-$^{4}$He Mixtures Near the bcc-hcp Phase Transition

Dynamics of the Cluster of Vortex Points in Two-Dimensional Superfluid $^{4}$He

Quantized Vortex State in hcp Solid $^{4}$He

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