Home > Research > Publications & Outputs > The AB interface in superfluid He-3 as a simula...

Research

Links

Text available via DOI:

Keywords

View graph of relations

The AB interface in superfluid He-3 as a simulated cosmological brane.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

The AB interface in superfluid He-3 as a simulated cosmological brane. / Bradley, Ian; Fisher, Shaun N.; Guénault, A.M. et al.
In: Journal of Low Temperature Physics, Vol. 148, No. 5-6, 09.2007, p. 465-473.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Bradley, I, Fisher, SN, Guénault, AM, Haley, RP, Kopu, J, Martin, H, Pickett, GR, Roberts, JE & Tsepelin, V 2007, 'The AB interface in superfluid He-3 as a simulated cosmological brane.', Journal of Low Temperature Physics, vol. 148, no. 5-6, pp. 465-473. https://doi.org/10.1007/s10909-007-9415-9

APA

Bradley, I., Fisher, S. N., Guénault, A. M., Haley, R. P., Kopu, J., Martin, H., Pickett, G. R., Roberts, J. E., & Tsepelin, V. (2007). The AB interface in superfluid He-3 as a simulated cosmological brane. Journal of Low Temperature Physics, 148(5-6), 465-473. https://doi.org/10.1007/s10909-007-9415-9

Vancouver

Bradley I, Fisher SN, Guénault AM, Haley RP, Kopu J, Martin H et al. The AB interface in superfluid He-3 as a simulated cosmological brane. Journal of Low Temperature Physics. 2007 Sept;148(5-6):465-473. doi: 10.1007/s10909-007-9415-9

Author

Bradley, Ian ; Fisher, Shaun N. ; Guénault, A.M. et al. / The AB interface in superfluid He-3 as a simulated cosmological brane. In: Journal of Low Temperature Physics. 2007 ; Vol. 148, No. 5-6. pp. 465-473.

Bibtex

@article{a2b0f7b61b8e41ff81a7a457826e45db,
title = "The AB interface in superfluid He-3 as a simulated cosmological brane.",
abstract = "We present measurements of the transport of superfluid He-3 quasiparticle excitations in the ballistic limit at temperatures well below T-c , and an interpretation of unexpected results as an experimental simulation of cosmological processes. Using a variable magnetic field profile we stabilize a layer of A phase across a cylinder of B phase, creating both an AB and a BA interface. These highly ordered interfaces may provide an ideal laboratory analogy for the branes and anti-branes of current cosmology. It has been suggested that brane interaction and annihilation are involved in inflation in the early Universe and leave behind topological defects such as cosmic strings. In our experiments we have annihilated our AB/BA branes by ramping down the magnetic field to remove the A phase layer. We then find that the quasiparticles face an extra impedance owing to defects left behind in the B phase texture. This is the first definitive observation of such a phenomenon.",
keywords = "BALLISTIC QUASI-PARTICLES, LOW-TEMPERATURE LIMIT, B PHASE INTERFACE, MAGNETIC-FIELD, TRANSITION",
author = "Ian Bradley and Fisher, {Shaun N.} and A.M. Gu{\'e}nault and Haley, {Richard P.} and J. Kopu and Hazel Martin and Pickett, {George R.} and Roberts, {John Edward} and Viktor Tsepelin",
year = "2007",
month = sep,
doi = "10.1007/s10909-007-9415-9",
language = "English",
volume = "148",
pages = "465--473",
journal = "Journal of Low Temperature Physics",
issn = "0022-2291",
publisher = "SPRINGER/PLENUM PUBLISHERS",
number = "5-6",

}

RIS

TY - JOUR

T1 - The AB interface in superfluid He-3 as a simulated cosmological brane.

AU - Bradley, Ian

AU - Fisher, Shaun N.

AU - Guénault, A.M.

AU - Haley, Richard P.

AU - Kopu, J.

AU - Martin, Hazel

AU - Pickett, George R.

AU - Roberts, John Edward

AU - Tsepelin, Viktor

PY - 2007/9

Y1 - 2007/9

N2 - We present measurements of the transport of superfluid He-3 quasiparticle excitations in the ballistic limit at temperatures well below T-c , and an interpretation of unexpected results as an experimental simulation of cosmological processes. Using a variable magnetic field profile we stabilize a layer of A phase across a cylinder of B phase, creating both an AB and a BA interface. These highly ordered interfaces may provide an ideal laboratory analogy for the branes and anti-branes of current cosmology. It has been suggested that brane interaction and annihilation are involved in inflation in the early Universe and leave behind topological defects such as cosmic strings. In our experiments we have annihilated our AB/BA branes by ramping down the magnetic field to remove the A phase layer. We then find that the quasiparticles face an extra impedance owing to defects left behind in the B phase texture. This is the first definitive observation of such a phenomenon.

AB - We present measurements of the transport of superfluid He-3 quasiparticle excitations in the ballistic limit at temperatures well below T-c , and an interpretation of unexpected results as an experimental simulation of cosmological processes. Using a variable magnetic field profile we stabilize a layer of A phase across a cylinder of B phase, creating both an AB and a BA interface. These highly ordered interfaces may provide an ideal laboratory analogy for the branes and anti-branes of current cosmology. It has been suggested that brane interaction and annihilation are involved in inflation in the early Universe and leave behind topological defects such as cosmic strings. In our experiments we have annihilated our AB/BA branes by ramping down the magnetic field to remove the A phase layer. We then find that the quasiparticles face an extra impedance owing to defects left behind in the B phase texture. This is the first definitive observation of such a phenomenon.

KW - BALLISTIC QUASI-PARTICLES

KW - LOW-TEMPERATURE LIMIT

KW - B PHASE INTERFACE

KW - MAGNETIC-FIELD

KW - TRANSITION

U2 - 10.1007/s10909-007-9415-9

DO - 10.1007/s10909-007-9415-9

M3 - Journal article

VL - 148

SP - 465

EP - 473

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

SN - 0022-2291

IS - 5-6

ER -