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Probing two-dimensional quantum flui...

Sachkou, Yauhen.

Probing two-dimensional quantum fluids with cavity optomechanics

Record Type:	Electronic resources : Monograph/item
Title/Author:	Probing two-dimensional quantum fluids with cavity optomechanicsby Yauhen Sachkou.
Author:	Sachkou, Yauhen.
Published:	Cham :Springer International Publishing :2020.
Description:	xxi, 147 p. :ill., digital ;24 cm.
Contained By:	Springer Nature eBook
Subject:	Quantum liquids.
Online resource:	https://doi.org/10.1007/978-3-030-52766-2
ISBN:	9783030527662$q(electronic bk.)

Probing two-dimensional quantum fluids with cavity optomechanics
Sachkou, Yauhen.

Probing two-dimensional quantum fluids with cavity optomechanics[electronic resource] /by Yauhen Sachkou. - Cham :Springer International Publishing :2020. - xxi, 147 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction and Overview -- Optomechanical Platform for Probing Two-Dimensional Quantum Fluids -- Light-Mediated Control Of Superfluid Flow -- Theoretical Investigation of Vortex-Sound Interactions In Two-Dimensional Superfluids -- Observation of Coherent Vortex Dynamics in Two-Dimensional Superfluid Helium -- Summary -- Appendices.

Superfluid helium is a quantum liquid that exhibits a range of counter-intuitive phenomena such as frictionless flow. Quantized vortices are a particularly important feature of superfluid helium, and all superfluids, characterized by a circulation that can only take prescribed integer values. However, the strong interactions between atoms in superfluid helium prohibit quantitative theory of vortex behaviour. Experiments have similarly not been able to observe coherent vortex dynamics. This thesis resolves this challenge, bringing microphotonic techniques to bear on two-dimensional superfluid helium, observing coherent vortex dynamics for the first time, and achieving this on a silicon chip. This represents a major scientific contribution, as it opens the door not only to providing a better understanding of this esoteric quantum state of matter, but also to building new quantum technologies based upon it, and to understanding the dynamics of astrophysical superfluids such as those thought to exist in the core of neutron stars.

ISBN: 9783030527662$q(electronic bk.)

Standard No.: 10.1007/978-3-030-52766-2doiSubjects--Topical Terms:

234890
Quantum liquids.

LC Class. No.: QC174.4 / .S234 2020

Dewey Class. No.: 530.42

Probing two-dimensional quantum fluids with cavity optomechanics
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490 1 $a Springer theses, $x 2190-5053
505 0 $a Introduction and Overview -- Optomechanical Platform for Probing Two-Dimensional Quantum Fluids -- Light-Mediated Control Of Superfluid Flow -- Theoretical Investigation of Vortex-Sound Interactions In Two-Dimensional Superfluids -- Observation of Coherent Vortex Dynamics in Two-Dimensional Superfluid Helium -- Summary -- Appendices.
520 $a Superfluid helium is a quantum liquid that exhibits a range of counter-intuitive phenomena such as frictionless flow. Quantized vortices are a particularly important feature of superfluid helium, and all superfluids, characterized by a circulation that can only take prescribed integer values. However, the strong interactions between atoms in superfluid helium prohibit quantitative theory of vortex behaviour. Experiments have similarly not been able to observe coherent vortex dynamics. This thesis resolves this challenge, bringing microphotonic techniques to bear on two-dimensional superfluid helium, observing coherent vortex dynamics for the first time, and achieving this on a silicon chip. This represents a major scientific contribution, as it opens the door not only to providing a better understanding of this esoteric quantum state of matter, but also to building new quantum technologies based upon it, and to understanding the dynamics of astrophysical superfluids such as those thought to exist in the core of neutron stars.
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