Nematic quantum phases in the bilayer honeycomb antiferromagnet

Zhang, Hao et al · American Physical Society · 2018

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Author / responsible party

Zhang, Hao et al

Publisher

American Physical Society

Year

2018

ISSN

2469-9950

ISSN

2469-9950

Language

English

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The spin-1/2 Heisenberg antiferromagnet on the honeycomb bilayer lattice is shown to display a rich variety of semiclassical and genuinely quantum phases, controlled by the interplay between intralayer frustration and interlayer exchange. Employing a complementary set of techniques, comprising spin rotationally invariant Schwinger boson mean-field theory, bond operators, and series expansions, we unveil the quantum phase diagram, analyzing low-energy excitations and order parameters. By virtue of Schwinger bosons we scan the complete range of exchange parameters, covering both long-range-ordered and quantum disordered ground states, and reveal the existence of an extended, frustration-induced lattice nematic phase in a range of intermediate exchange unexplored so far. Fil: Zhang, Hao. Sun Yat-sen University; China Fil: Lamas, Carlos Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Física La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Instituto de Física La Plata; Argentina

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APA 7

Zhang, H. E. A. (2018). Nematic quantum phases in the bilayer honeycomb antiferromagnet. http://hdl.handle.net/11336/102085

MLA

Zhang, Hao et al. "Nematic quantum phases in the bilayer honeycomb antiferromagnet." 2018. http://hdl.handle.net/11336/102085.

Chicago

Zhang, Hao et al. 2018. "Nematic quantum phases in the bilayer honeycomb antiferromagnet.". http://hdl.handle.net/11336/102085.

Harvard

Zhang, H. E. A. 2018, Nematic quantum phases in the bilayer honeycomb antiferromagnet, American Physical Society, available at: http://hdl.handle.net/11336/102085 [Accessed 7 Aug. 2026].

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Title: Nematic quantum phases in the bilayer honeycomb antiferromagnet

Author / contributors: Zhang, Hao et al

Publisher: American Physical Society

Publication year: 2018

ISSN: 2469-9950

ISSN: 2469-9950

Language: English

Subjects

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QUANTUM MAGNETISM; HONEYCOMB LATTICE; https://purl.org/becyt/ford/1.3; https://purl.org/becyt/ford/1