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Phase diagrams of vortex matter with multi-scale inter-vortex interactions in layered superconductors

Phase diagrams of vortex matter with multi-scale inter-vortex interactions in layered superconductors
Phase diagrams of vortex matter with multi-scale inter-vortex interactions in layered superconductors
It was recently proposed to use the stray magnetic fields of superconducting vortex lattices to trap ultracold atoms for building quantum emulators. This calls for new methods for engineering and manipulating of the vortex states. One of the possible routes utilizes type-1.5 superconducting layered systems with multi-scale inter-vortex interactions. In order to explore the possible vortex states that can be engineered, we present two phase diagrams of phenomenological vortex matter models with multi-scale inter-vortex interactions featuring several attractive and repulsive length scales. The phase diagrams exhibit a plethora of phases, including conventional 2D lattice phases, five stripe phases, dimer, trimer, and tetramer phases, void phases, and stable low-temperature disordered phases. The transitions between these states can be controlled by the value of an applied external field.
0953-8984
1-16
Meng, Qingyou
ceb26f4c-3574-4652-94cc-de5a6d7fc300
Varney, Christopher N.
001d6b26-aa98-4385-823e-2d2e77af2371
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Babaev, Egor
9a794c46-768f-47fb-8051-d426e718f63f
Meng, Qingyou
ceb26f4c-3574-4652-94cc-de5a6d7fc300
Varney, Christopher N.
001d6b26-aa98-4385-823e-2d2e77af2371
Fangohr, Hans
9b7cfab9-d5dc-45dc-947c-2eba5c81a160
Babaev, Egor
9a794c46-768f-47fb-8051-d426e718f63f

Meng, Qingyou, Varney, Christopher N., Fangohr, Hans and Babaev, Egor (2016) Phase diagrams of vortex matter with multi-scale inter-vortex interactions in layered superconductors. Journal of Physics: Condensed Matter, 29 (3), 1-16. (doi:10.1088/1361-648x/29/3/035602).

Record type: Article

Abstract

It was recently proposed to use the stray magnetic fields of superconducting vortex lattices to trap ultracold atoms for building quantum emulators. This calls for new methods for engineering and manipulating of the vortex states. One of the possible routes utilizes type-1.5 superconducting layered systems with multi-scale inter-vortex interactions. In order to explore the possible vortex states that can be engineered, we present two phase diagrams of phenomenological vortex matter models with multi-scale inter-vortex interactions featuring several attractive and repulsive length scales. The phase diagrams exhibit a plethora of phases, including conventional 2D lattice phases, five stripe phases, dimer, trimer, and tetramer phases, void phases, and stable low-temperature disordered phases. The transitions between these states can be controlled by the value of an applied external field.

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Phase diagrams of vortex matter with multi-scale inter-vortex interactions in layered superconductors.pdf - Accepted Manuscript
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Accepted/In Press date: 25 October 2016
e-pub ahead of print date: 16 November 2016
Published date: 16 November 2016
Organisations: Aeronautics, Astronautics & Comp. Eng

Identifiers

Local EPrints ID: 403067
URI: https://eprints.soton.ac.uk/id/eprint/403067
ISSN: 0953-8984
PURE UUID: 5eea8129-d9bd-46f9-9a0b-5d73ea04ee4d

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Date deposited: 23 Nov 2016 14:22
Last modified: 30 Nov 2018 05:02

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