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Title: Polar Kerr Effect as Probe for Time-Reversal Symmetry Breaking in Unconventional Superconductors

Abstract

The search for broken time reversal symmetry (TRSB) in unconventional superconductors intensified in the past year as more systems have been predicted to possess such a state. Following our pioneering study of TRSB states in Sr{sub 2}RuO{sub 4} using magneto-optic probes, we embarked on a systematic study of several other of these candidate systems. The primary instrument for our studies is the Sagnac magneto-optic interferometer, which we recently developed. This instrument can measure magneto-optic Faraday or Kerr effects with an unprecedented sensitivity of 10 nanoradians at temperatures as low as 100 mK. In this paper we review our recent studies of TRSB in several systems, emphasizing the study of the pseudogap state of high temperature superconductors and the inverse proximity effect in superconductor/ferromagnet proximity structures.

Authors:
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
981388
Report Number(s):
SLAC-PUB-14083
TRN: US201012%%1135
DOE Contract Number:  
AC02-76SF00515
Resource Type:
Journal Article
Journal Name:
Submitted to New Journal of Physics
Additional Journal Information:
Journal Name: Submitted to New Journal of Physics
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; KERR EFFECT; PROBES; PROXIMITY EFFECT; REVIEWS; SENSITIVITY; SUPERCONDUCTORS; SYMMETRY; SYMMETRY BREAKING; TEMPERATURE RANGE 0400-1000 K; MATSCI

Citation Formats

Kapitulnik, A. Polar Kerr Effect as Probe for Time-Reversal Symmetry Breaking in Unconventional Superconductors. United States: N. p., 2010. Web.
Kapitulnik, A. Polar Kerr Effect as Probe for Time-Reversal Symmetry Breaking in Unconventional Superconductors. United States.
Kapitulnik, A. Wed . "Polar Kerr Effect as Probe for Time-Reversal Symmetry Breaking in Unconventional Superconductors". United States. https://www.osti.gov/servlets/purl/981388.
@article{osti_981388,
title = {Polar Kerr Effect as Probe for Time-Reversal Symmetry Breaking in Unconventional Superconductors},
author = {Kapitulnik, A},
abstractNote = {The search for broken time reversal symmetry (TRSB) in unconventional superconductors intensified in the past year as more systems have been predicted to possess such a state. Following our pioneering study of TRSB states in Sr{sub 2}RuO{sub 4} using magneto-optic probes, we embarked on a systematic study of several other of these candidate systems. The primary instrument for our studies is the Sagnac magneto-optic interferometer, which we recently developed. This instrument can measure magneto-optic Faraday or Kerr effects with an unprecedented sensitivity of 10 nanoradians at temperatures as low as 100 mK. In this paper we review our recent studies of TRSB in several systems, emphasizing the study of the pseudogap state of high temperature superconductors and the inverse proximity effect in superconductor/ferromagnet proximity structures.},
doi = {},
url = {https://www.osti.gov/biblio/981388}, journal = {Submitted to New Journal of Physics},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {5}
}