You are here

Magnetic Field Tuning Of An Excitonic Insulator Between The Weak And Strong Coupling Regimes In Quantum Limit Graphite

Title: Magnetic Field Tuning Of An Excitonic Insulator Between The Weak And Strong Coupling Regimes In Quantum Limit Graphite.
21 views
2 downloads
Name(s): Zhu, Z., author
McDonald, R. D., author
Shekhter, A., author
Ramshaw, B. J., author
Modic, K. A., author
Balakirev, F. F., author
Harrison, N., author
Type of Resource: text
Genre: Journal Article
Text
Journal Article
Date Issued: 2017-05-04
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: The excitonic insulator phase has long been predicted to form in proximity to a band gap opening in the underlying band structure. The character of the pairing is conjectured to crossover from weak (BCS-like) to strong coupling (BEC-like) as the underlying band structure is tuned from the metallic to the insulating side of the gap opening. Here we report the high-magnetic field phase diagram of graphite to exhibit just such a crossover. By way of comprehensive angle-resolved magnetoresistance measurements, we demonstrate that the underlying band gap opening occurs inside the magnetic field-induced phase, paving the way for a systematic study of the BCS-BEC-like crossover by means of conventional condensed matter probes.
Identifier: FSU_libsubv1_wos_000408480400001 (IID), 10.1038/s41598-017-01693-5 (DOI)
Keywords: gas, magnetoresistance, charge-density-wave, electronic phase-transition, semimetal, state
Publication Note: The publisher's version of record is available at https://doi.org/10.1038/s41598-017-01693-5
Persistent Link to This Record: http://purl.flvc.org/fsu/fd/FSU_libsubv1_wos_000408480400001
Host Institution: FSU
Is Part Of: Scientific Reports.
2045-2322
Issue: vol. 7

Choose the citation style.
Zhu, Z., McDonald, R. D., Shekhter, A., Ramshaw, B. J., Modic, K. A., Balakirev, F. F., & Harrison, N. (2017). Magnetic Field Tuning Of An Excitonic Insulator Between The Weak And Strong Coupling Regimes In Quantum Limit Graphite. Scientific Reports. Retrieved from http://purl.flvc.org/fsu/fd/FSU_libsubv1_wos_000408480400001