Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Greene, Laura H."'
Autor:
Park, Wan Kyu, Sun, Lunan, Noddings, Alexander, Kim, Dae-Jeong, Fisk, Zachary, Greene, Laura H.
Publikováno v:
Proc. Natl. Acad. Sci. USA 113, 6599-6604 (2016)
Samarium hexaboride (SmB$_6$), a well-known Kondo insulator in which the insulating bulk arises from strong electron correlations, has recently attracted great attention owing to increasing evidence for its topological nature, thereby harboring prote
Externí odkaz:
http://arxiv.org/abs/1605.08463
Autor:
Lee, Wei-Cheng, Greene, Laura H.
Publikováno v:
Rep. Prog. Phys. 79, 094502 (2016)
We review recent progress in point contact spectroscopy (PCS) to extract spectroscopic information out of correlated electron materials, with the emphasis on non-superconducting states. PCS has been used to detect bosonic excitations in normal metals
Externí odkaz:
http://arxiv.org/abs/1512.02660
Publikováno v:
PNAS 112, 651 (2015)
We develop a microscopic theory for the point-contact conductance between a metalic electrode and a strongly correlated material using the non-equilibrium Schwinger-Kadanoff-Baym-Keldysh formalism. We explicitly show that in the classical limit, cont
Externí odkaz:
http://arxiv.org/abs/1405.6357
Autor:
Arham, Hamood Z., Greene, Laura H.
Publikováno v:
Current Opinion in Solid State and Materials Science 17, 81 (2013)
We review the current status of point contact spectroscopy on the iron based superconductors, focusing on their normal state. Point contact spectroscopy is generally used to study superconductors via Andreev reflection, but in recent years it has als
Externí odkaz:
http://arxiv.org/abs/1304.7426
At this centenary of the discovery of superconductivity, the design of new and more useful superconductors remains as enigmatic as ever. These materials play crucial roles both for fundamental science and applications, and they hold great promise in
Externí odkaz:
http://arxiv.org/abs/1110.4147
Epitaxial films of heavy fermion CeCu2Ge2 and CeFe2Ge2 are grown on DyScO3 and MgO substrates using molecular beam epitaxy. The growth begins via island nucleation leading to a granular morphology. The grains grow flat with c-axis orientation after n
Externí odkaz:
http://arxiv.org/abs/1103.5813
Autor:
Park, Wan Kyu, Greene, Laura H.
Publikováno v:
J. Phys.: Condens. Matter 21 (2009) 103203
We review the current status of Andreev reflection spectroscopy on the heavy fermions, mostly focusing on the case of CeCoIn$_5$, a heavy-fermion superconductor with a critical temperature of 2.3 K. This is a well-established technique to investigate
Externí odkaz:
http://arxiv.org/abs/0902.1009
Publikováno v:
Physica C 460-462, 206-209 (2007)
Andreev reflection spectroscopy has been performed on the heavy-fermion superconductor (HFS) CeCoIn$_5$ single crystals along three different crystallographic orientations, (001), (110), and (100), using Au tips as counter-electrodes. Dynamic conduct
Externí odkaz:
http://arxiv.org/abs/cond-mat/0606535
Autor:
Park, Wan Kyu, Greene, Laura H.
Publikováno v:
Rev. Sci. Instrum. 77, 023905 (2006)
A technique for point-contact spectroscopy, based on an electro-mechanical mechanism for the contact formation, has been developed. It is designed to be used in both $^4$He and $^3$He cryostats. The performance has been demonstrated by conductance me
Externí odkaz:
http://arxiv.org/abs/cond-mat/0510489
Autor:
Park, Wan Kyu, Greene, Laura H.
Publikováno v:
Phys. Rev. Lett. 96, 259702 (2006)
Recently, Rourke et al. reported point-contact spectroscopy results on the heavy-fermion superconductor CeCoIn$_5$ [1]. They obtained conductance spectra on the c-axis surfaces of CeCoIn$_5$ single crystals. Their major claims are two-fold: CeCoIn$_5
Externí odkaz:
http://arxiv.org/abs/cond-mat/0507489