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Jean-Sebastien Caux

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Related publications (3)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Fractional spinon excitations in the quantum Heisenberg antiferromagnetic chain

Martin Mourigal, Henrik Moodysson Rønnow, Mechthild Enderle, Jean-Sebastien Caux

One of the simplest quantum many-body systems is the spin-1/2 Heisenberg antiferromagnetic chain, a linear array of interacting magnetic moments. Its exact ground state is a macroscopic singlet entangling all spins in the chain. Its elementary excitations, ...

Nature Publishing Group2013

Spin-orbital separation in the quasi-one-dimensional Mott insulator Sr2CuO3

Martin Mourigal, Henrik Moodysson Rønnow, Jean-Sebastien Caux, Thorsten Schmitt

When viewed as an elementary particle, the electron has spin and charge. When binding to the atomic nucleus, it also acquires an angular momentum quantum number corresponding to the quantized atomic orbital it occupies. Even if electrons in solids form ban ...

2012

Direct Observation of Magnon Fractionalization in the Quantum Spin Ladder

Bruce Normand, Henrik Moodysson Rønnow, Joël Mesot, Jean-Sebastien Caux, Daniel Biner, Christian Rüegg

We measure by inelastic neutron scattering the spin excitation spectra as a function of applied magnetic field in the quantum spin-ladder material (C5H12N)(2)CuBr4. Discrete magnon modes at low fields in the quantum disordered phase and at high fields in t ...

2009