Search Results - "Manuel, L. O"

Iron phthalocyanine on Au(111) is a “non-Landau” Fermi liquid by Žitko, R., Blesio, G. G., Manuel, L. O., Aligia, A. A.

“…The paradigm of Landau’s Fermi liquid theory has been challenged with the finding of a strongly interacting Fermi liquid that cannot be adiabatically connected…”
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Anomalous continuum scattering and higher-order van Hove singularity in the strongly anisotropic S = 1/2 triangular lattice antiferromagnet by Park, Pyeongjae, Ghioldi, E. A., May, Andrew F., Kolopus, James A., Podlesnyak, Andrey A., Calder, Stuart, Paddison, Joseph A. M., Trumper, A. E., Manuel, L. O., Batista, Cristian D., Stone, Matthew B., Halász, Gábor B., Christianson, Andrew D.

“…The S  = 1/2 triangular lattice antiferromagnet (TLAF) is a paradigmatic example of frustrated quantum magnetism. An ongoing challenge involves understanding…”
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Correlated Partial Disorder in a Weakly Frustrated Quantum Antiferromagnet by Gonzalez, M G, Lisandrini, F T, Blesio, G G, Trumper, A E, Gazza, C J, Manuel, L O

“…Partial disorder-the microscopic coexistence of long-range magnetic order and disorder-is a rare phenomenon that has been experimentally and theoretically…”
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Generalized One-Band Model Based on Zhang-Rice Singlets for Tetragonal CuO by Hamad, I J, Manuel, L O, Aligia, A A

“…Tetragonal CuO (T-CuO) has attracted attention because of its structure similar to that of the cuprates. It has been recently proposed as a compound whose…”
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Classical antiferromagnetism in kinetically frustrated electronic models by Sposetti, C N, Bravo, B, Trumper, A E, Gazza, C J, Manuel, L O

“…We study, by means of the density matrix renormalization group, the infinite U Hubbard model--with one hole doped away from half filling--in triangular and…”
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A test of the bosonic spinon theory for the triangular antiferromagnet spectrum by Mezio, A, Sposetti, C. N, Manuel, L. O, Trumper, A. E

“…We compute the dynamical structure factor of the spin-$\frac{1}{2} $ triangular Heisenberg model using the mean-field Schwinger boson theory. We find that a…”
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Low temperature properties of the triangular-lattice antiferromagnet: a bosonic spinon theory by Mezio, A, Manuel, L O, Singh, R R P, Trumper, A E

“…We study the low temperature properties of the triangular-lattice Heisenberg antiferromagnet with a mean field Schwinger spin- boson scheme that reproduces…”
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RVB signatures in the spin dynamics of the square-lattice Heisenberg antiferromagnet by Ghioldi, E. A., Gonzalez, M. G., Manuel, L. O., Trumper, A. E.

“…We investigate the spin dynamics of the square-lattice spin- Heisenberg antiferromagnet by means of an improved mean-field Schwinger boson calculation. By…”
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Proximate spin liquid and fractionalization in the triangular antiferromagnet KYbSe2 by Scheie, A. O., Ghioldi, E. A., Xing, J., Paddison, J. A. M., Sherman, N. E., Dupont, M., Sanjeewa, L. D., Lee, Sangyun, Woods, A. J., Abernathy, D., Pajerowski, D. M., Williams, T. J., Zhang, Shang-Shun, Manuel, L. O., Trumper, A. E., Pemmaraju, C. D., Sefat, A. S., Parker, D. S., Devereaux, T. P., Movshovich, R., Moore, J. E., Batista, C. D., Tennant, D. A.

“…The Heisenberg triangular-lattice quantum spin liquid and its phase transitions to nearby magnetic orders have received much theoretical attention, but clear…”
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Anderson impurity model: Vertex corrections within the finite U non-crossing approximation by Roura-Bas, P., Vildosola, V., Manuel, L.O., Llois, A.M.

“…We revise the simplest possible approximations to solve numerically the vertex equations for the single impurity Anderson model (SIAM) within the finite U…”
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Magnons versus free spinons in finite quantum frustrated antiferromagnets by Hamad, I.J., Manuel, L.O., Trumper, A.E.

“…We have investigated the validity of doping with a vacancy the J 1 – J 3 frustrated Heisenberg model on a finite square lattice as a way to test the existence…”
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Spectroscopic fingerprints of the frustrated magnetic order in Li2VOSiO4 : A t-J model study by HAMAD, I. J, TRUMPER, A. E, MANUEL, L. O

“…We have analyzed theoretically the photoemission spectra of the insulating compound Li2VOSiO4. Recently, this compound has been proposed as the first…”
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Kondo physics in a Ni impurity embedded in O-doped Au chains by Di Napoli, S., Barral, M. A., Roura-Bas, P., Manuel, L. O., Llois, A. M., Aligia, A. A.

“…By means of ab initio calculations we study the effect of O doping of Au chains containing a nanocontact represented by a Ni atom as a magnetic impurity. In…”
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Quasiparticle vanishing driven by geometrical frustration by TRUMPER, A. E, GAZZA, C. J, MANUEL, L. O

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Anomalous continuum scattering and higher-order van Hove singularity in the strongly anisotropic S = 1/2 triangular lattice antiferromagnet by Park, Pyeongjae, Ghioldi, E. A, May, Andrew F, Kolopus, James A, Podlesnyak, Andrey A, Calder, Stuart, Paddison, Joseph A. M, Trumper, A. E, Manuel, L. O, Batista, Cristian D, Stone, Matthew B, Halasz, Gabor B, Christianson, Andrew D

“…Nature Communications 15, 7264 (2024) The S = 1/2 triangular lattice antiferromagnet (TLAF) is a paradigmatic example of frustrated quantum magnetism. An…”
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Iron phthalocyanine on Au(111) is a "non-Landau" Fermi liquid by Žitko, R, Blesio, G. G, Manuel, L. O, Aligia, A. A

“…The paradigm of Landau's Fermi liquid theory has been challenged with the finding of a strongly interacting Fermi liquid that cannot be adiabatically connected…”
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Schwinger boson theory of ordered magnets by Zhang, Shang-Shun, Ghioldi, E. A, Manuel, L. O, Trumper, A. E, Batista, Cristian D

“…The Schwinger boson theory provides a natural path for treating quantum spin systems with large quantum fluctuations. In contrast to semi-classical treatments,…”
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Singlet Polaron Theory of Low-Energy Optical Excitations in NiPS_{3} by Hamad, I J, Helman, C S, Manuel, L O, Feiguin, A E, Aligia, A A

“…We develop a theory that explains the low-energy optical excitations near 1.5 eV observed by optical experiments in NiPS_{3}. Using ab initio methods, we…”
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Singlet Polaron Theory of Low-Energy Optical Excitations in NiPS 3 by Hamad, I. J., Helman, C. S., Manuel, L. O., Feiguin, A. E., Aligia, A. A.

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Magnon-assisted dynamics of a hole doped in a cuprate superconductor by Hamad, I. J, Manuel, L. O, Aligia, A. A

“…Phys. Rev. B 103, 144510 (2021) We calculate the quasiparticle dispersion and spectral weight of the quasiparticle that results when a hole is added to an…”
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