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Pregled bibliografske jedinice broj: 850020

Nuclear Magnetic Resonance study of the magnetic- field- induced ordered phase in the NiCl2-4SC(NH2)2 compound


Blinder, Rémi; Dupont, Maxime; Mukhopadhyay, Sutirtha; Grbić, Mihael Srđan; Laflorencie, Nicolas; Capponi, Sylvain; Mayaffre, Hadrien; Berthier, Claude; Paduan-Filho, Armando; Horvatić, Mladen
Nuclear Magnetic Resonance study of the magnetic- field- induced ordered phase in the NiCl2-4SC(NH2)2 compound // Physical review B - Rapid communications, 95 (2017), 020404-1 doi:10.1103/PhysRevB.95.020404 (međunarodna recenzija, članak, znanstveni)


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Naslov
Nuclear Magnetic Resonance study of the magnetic- field- induced ordered phase in the NiCl2-4SC(NH2)2 compound

Autori
Blinder, Rémi ; Dupont, Maxime ; Mukhopadhyay, Sutirtha ; Grbić, Mihael Srđan ; Laflorencie, Nicolas ; Capponi, Sylvain ; Mayaffre, Hadrien ; Berthier, Claude ; Paduan-Filho, Armando ; Horvatić, Mladen

Izvornik
Physical review B - Rapid communications (1082-586X) 95 (2017); 020404-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
quantum spin chain ; NMR ; BEC

Sažetak
Nuclear magnetic resonance (NMR) study of the high magnetic field (H) part of the Bose-Einstein condensed (BEC) phase of the quasi one-dimensional (quasi-1D) antiferromagnetic quantum spin-chain compound NiCl2- 4SC(NH2)2 (DTN) was performed. We precisely determined the phase boundary, Tc(H), down to 40 mK, the critical boson density, nc(Tc), and the absolute value of the BEC order parameter Sp at very low temperature (T = 0.12 K). All results are accurately reproduced by numerical quantum Monte Carlo simulations of a realistic 3D model Hamiltonian. Approximate analytical predictions based on 1D Tomonaga- Luttinger liquid description are found to be precise for Tc(H), but less so for Sp(H), which is more sensitive to the strength of 3D couplings, in particular close to the critical field. A mean-field treatment, based on the Hartree-Fock- Popov description, is found to be valid only up to nc = 4% (T < 0.3 K), while for higher nc boson interactions appear to modify the density of states.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Mihael Srđan Grbić (autor)

Avatar Url Mladen Horvatić (autor)

Citiraj ovu publikaciju

Blinder, Rémi; Dupont, Maxime; Mukhopadhyay, Sutirtha; Grbić, Mihael Srđan; Laflorencie, Nicolas; Capponi, Sylvain; Mayaffre, Hadrien; Berthier, Claude; Paduan-Filho, Armando; Horvatić, Mladen
Nuclear Magnetic Resonance study of the magnetic- field- induced ordered phase in the NiCl2-4SC(NH2)2 compound // Physical review B - Rapid communications, 95 (2017), 020404-1 doi:10.1103/PhysRevB.95.020404 (međunarodna recenzija, članak, znanstveni)
Blinder, R., Dupont, M., Mukhopadhyay, S., Grbić, M., Laflorencie, N., Capponi, S., Mayaffre, H., Berthier, C., Paduan-Filho, A. & Horvatić, M. (2017) Nuclear Magnetic Resonance study of the magnetic- field- induced ordered phase in the NiCl2-4SC(NH2)2 compound. Physical review B - Rapid communications, 95, 020404-1 doi:10.1103/PhysRevB.95.020404.
@article{article, year = {2017}, pages = {020404-1-020404-5}, DOI = {10.1103/PhysRevB.95.020404}, keywords = {quantum spin chain, NMR, BEC}, journal = {Physical review B - Rapid communications}, doi = {10.1103/PhysRevB.95.020404}, volume = {95}, issn = {1082-586X}, title = {Nuclear Magnetic Resonance study of the magnetic- field- induced ordered phase in the NiCl2-4SC(NH2)2 compound}, keyword = {quantum spin chain, NMR, BEC} }
@article{article, year = {2017}, pages = {020404-1-020404-5}, DOI = {10.1103/PhysRevB.95.020404}, keywords = {quantum spin chain, NMR, BEC}, journal = {Physical review B - Rapid communications}, doi = {10.1103/PhysRevB.95.020404}, volume = {95}, issn = {1082-586X}, title = {Nuclear Magnetic Resonance study of the magnetic- field- induced ordered phase in the NiCl2-4SC(NH2)2 compound}, keyword = {quantum spin chain, NMR, BEC} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI


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