Zobrazeno 1 - 10
of 152
pro vyhledávání: '"Parpia, Jeevak"'
Autor:
Heikkinen, Petri J., Levitin, Lev V., Rojas, Xavier, Singh, Angadjit, Eng, Nathan, Casey, Andrew, Saunders, John, Vorontsov, Anton, Zhelev, Nikolay, Sebastian, Abhilash Thanniyil, Parpia, Jeevak M.
Anisotropic pair breaking close to surfaces favors chiral superfluid $^3$He-A over time-reversal invariant $^3$He-B. Confining superfluid $^3$He into a cavity of height $D$ of the order of the Cooper pair size characterized by the coherence length $\
Externí odkaz:
http://arxiv.org/abs/2409.12901
Autor:
Heikkinen, Petri J., Eng, Nathan, Levitin, Lev V., Rojas, Xavier, Singh, Angadjit, Autti, Samuli, Haley, Richard P., Hindmarsh, Mark, Zmeev, Dmitry E., Parpia, Jeevak M., Casey, Andrew, Saunders, John
The symmetry-breaking first-order phase transition between superfluid phases $^3$He-A and $^3$He-B can be triggered extrinsically by ionising radiation or heterogeneous nucleation arising from the details of the sample cell construction. However, the
Externí odkaz:
http://arxiv.org/abs/2401.06079
By monitoring the quality factor of a quartz tuning fork oscillator we have observed a fluctuation-driven reduction in the viscosity of bulk $^3$He in the normal state near the superfluid transition temperature, $T_c$. These fluctuations, which are o
Externí odkaz:
http://arxiv.org/abs/2212.12520
Autor:
Tian, Yefan, Lotnyk, Dmytro, Eyal, Anna, Zhang, Kuang, Zhelev, Nikolay, Abhilash, T. S., Chavez, Aldo, Smith, Eric, Hindmarsh, Mark, Saunders, John, Mueller, Erich, Parpia, Jeevak
Because of the extreme purity, lack of disorder, and complex order parameter, the first-order superfluid $^3$He A-B transition is the leading model system for first order transitions in the early universe. Here we report on the path dependence of the
Externí odkaz:
http://arxiv.org/abs/2208.14981
Autor:
Lotnyk, Dmytro, Eyal, Anna, Zhelev, Nikolay, Sebastian, Abhilash, Tian, Yefan, Chavez, Aldo, Smith, Eric, Saunders, John, Mueller, Erich, Parpia, Jeevak
Publikováno v:
Phys. Rev. Lett. 126, 215301 (2021)
We examine the discontinuous first-order superfluid $^3$He A to B transition in the vicinity of the polycritical point (2.232 mK and 21.22 bar). We find path-dependent transitions: cooling at fixed pressure yields a well defined transition line in th
Externí odkaz:
http://arxiv.org/abs/2012.14044
Autor:
Sharma, Priya, Corcoles, Antonio, Bennett, R. G., Parpia, Jeevak M., Cowan, Brian, Saunders, John
Publikováno v:
JLTP 171(5-6), 725 (2013)
The interplay of bulk and boundary scattering is explored in a regime where quantum size effects modify mesoscopic transport in a degenerate Fermi liquid film of $^3$He on a rough surface. We discuss mass transport and the momentum relaxation time of
Externí odkaz:
http://arxiv.org/abs/1911.06205
Autor:
Levitin, Lev V., Yager, Ben, Sumner, Laura, Cowan, Brian, Casey, Andrew J., Zhelev, Nikolay, Bennett, Robert G., Parpia, Jeevak M., Saunders, John
Publikováno v:
Phys. Rev. Lett. 122, 085301 (2019)
In superfluid $^3$He-B confined in a slab geometry, domain walls between regions of different order parameter orientation are predicted to be energetically stable. Formation of the spatially-modulated superfluid stripe phase has been proposed. We con
Externí odkaz:
http://arxiv.org/abs/1805.02053
Autor:
Maillet, Olivier, Zhou, Xin, Gazizulin, Rasul R., Ilic, Bojan R., Parpia, Jeevak M., Bourgeois, Olivier, Fefferman, Andrew D., Collin, Eddy
Publikováno v:
ACS Nano 2018
Advances in nanomechanics within recent years have demonstrated an always expanding range of devices, from top-down structures to appealing bottom-up MoS$_2$ and graphene membranes, used for both sensing and component-oriented applications. One of th
Externí odkaz:
http://arxiv.org/abs/1802.07217
We investigate the nonlinear mechanics of a bimetallic, optically absorbing SiN-Nb nanowire in the presence of incident laser light and a reflecting Si mirror. Situated in a standing wave of optical intensity and subject to photothermal forces, the n
Externí odkaz:
http://arxiv.org/abs/1610.07591
Publikováno v:
Nanotechnology 26, 125502 (2015)
A graphene channel field-effect biosensor is demonstrated for detecting the binding of double-stranded DNA and poly-l-lysine. Sensors consist of CVD graphene transferred using a clean, etchant-free transfer method. The presence of DNA and poly-l-lysi
Externí odkaz:
http://arxiv.org/abs/1601.01299