Search Results - "Assaad, F. F."

Simple Fermionic Model of Deconfined Phases and Phase Transitions by Assaad, F. F., Grover, Tarun

“…Using quantum Monte Carlo simulations, we study a series of models of fermions coupled to quantum Ising spins on a square lattice with N flavors of fermions…”
Get full text

Correlation effects in quantum spin-Hall insulators: a quantum Monte Carlo study by Hohenadler, M, Lang, T C, Assaad, F F

“…We consider the Kane-Mele model supplemented by a Hubbard U term. The phase diagram is mapped out using projective auxiliary field quantum Monte Carlo…”
Get full text

The role of electron-electron interactions in two-dimensional Dirac fermions by Tang, Ho-Kin, Leaw, J N, Rodrigues, J N B, Herbut, I F, Sengupta, P, Assaad, F F, Adam, S

“…The role of electron-electron interactions in two-dimensional Dirac fermion systems remains enigmatic. Using a combination of nonperturbative numerical and…”
Get full text

Interaction-Driven Metal-Insulator Transition in Strained Graphene by Tang, Ho-Kin, Laksono, E, Rodrigues, J N B, Sengupta, P, Assaad, F F, Adam, S

“…The question of whether electron-electron interactions can drive a metal to insulator transition in graphene under realistic experimental conditions is…”
Get full text

Endometriosis and the microbiome: a systematic review by Leonardi, M, Hicks, C, El‐Assaad, F, El‐Omar, E, Condous, G

“…Background The aetiology and pathogenesis of endometriosis are still under investigation. There is evidence that there is a complex bidirectional interaction…”
Get full text

Pinning the Order: The Nature of Quantum Criticality in the Hubbard Model on Honeycomb Lattice by Assaad, Fakher F., Herbut, Igor F.

“…In numerical simulations, spontaneously broken symmetry is often detected by computing two-point correlation functions of the appropriate local order…”
Get full text

Coexistence and Interaction of Spinons and Magnons in an Antiferromagnet with Alternating Antiferromagnetic and Ferromagnetic Quantum Spin Chains by Zhang, H., Zhao, Z., Gautreau, D., Raczkowski, M., Saha, A., Garlea, V. O., Cao, H., Hong, T., Jeschke, H. O., Mahanti, Subhendra D., Birol, T., Assaad, F. F., Ke, X.

“…In conventional quasi-one-dimensional antiferromagnets with quantum spins, magnetic excitations are carried by either magnons or spinons in different energy…”
Get full text

Quantum spin liquid emerging in two-dimensional correlated Dirac fermions by Meng, Z. Y, Lang, T. C, Wessel, S, Assaad, F. F, Muramatsu, A

“…At sufficiently low temperatures, condensed-matter systems tend to develop order. A notable exception to this behaviour is the case of quantum spin liquids, in…”
Get full text

Superconductivity from the condensation of topological defects in a quantum spin-Hall insulator by Liu, Yuhai, Wang, Zhenjiu, Sato, Toshihiro, Hohenadler, Martin, Wang, Chong, Guo, Wenan, Assaad, Fakher F.

“…The discovery of quantum spin-Hall (QSH) insulators has brought topology to the forefront of condensed matter physics. While a QSH state from spin-orbit…”
Get full text

Dynamical structure factors and excitation modes of the bilayer Heisenberg model by Lohöfer, M., Coletta, T., Joshi, D. G., Assaad, F. F., Vojta, M., Wessel, S., Mila, F.

Get full text

Understanding the Josephson current through a Kondo-correlated quantum dot by Luitz, D J, Assaad, F F, Novotný, T, Karrasch, C, Meden, V

“…We study the Josephson current 0-π transition of a quantum dot tuned to the Kondo regime. The physics can be quantitatively captured by the numerically exact…”
Get full text

Interaction-driven transition between topological states in a Kondo insulator by Werner, Jan, Assaad, Fakher F.

“…Heavy fermion materials naturally combine strong spin-orbit interactions and electronic correlations. When there is precisely one conduction electron per…”
Get full text

Fermi surface topology of the two-dimensional Kondo lattice model: Dynamical cluster approximation approach by Martin, L. C., Bercx, M., Assaad, F. F.

Get full text

Multisubunit tethering complexes in higher plants by Ravikumar, Raksha, Steiner, Alexander, Assaad, Farhah F

“…•Multisubunit tethering complexes (MTCs) can exist in a variety of modular forms.•Plant MTCs interact with small GTPases, SNAREs and Sec1/Munc18…”
Get full text

A role for brassinosteroid signalling in decision-making processes in the Arabidopsis seedling by Kalbfuß, Nils, Strohmayr, Alexander, Kegel, Marcel, Le, Lien, Grosse-Holz, Friederike, Brunschweiger, Barbara, Stöckl, Katharina, Wiese, Christian, Franke, Carina, Schiestl, Caroline, Prem, Sophia, Sha, Shuyao, Franz-Oberdorf, Katrin, Hafermann, Juliane, Thiemé, Marc, Facher, Eva, Palubicki, Wojciech, Bolle, Cordelia, Assaad, Farhah F

“…Plants often adapt to adverse conditions via differential growth, whereby limited resources are discriminately allocated to optimize the growth of one organ at…”
Get full text

Metamagnetism and Lifshitz transitions in models for heavy fermions by Bercx, M., Assaad, F. F.

“…We investigate metamagnetic transitions in models for heavy fermions by considering the doped Kondo lattice model in two dimensions. Results are obtained…”
Get full text

Response to Comment on "The role of electron-electron interactions in two-dimensional Dirac fermions" by Tang, Ho-Kin, Leaw, J N, Rodrigues, J N B, Herbut, I F, Sengupta, P, Assaad, F F, Adam, S

“…Hesselmann question one of our conclusions: the suppression of Fermi velocity at the Gross-Neveu critical point for the specific case of vanishing long-range…”
Get full text

Phase diagram of the half-filled two-dimensional SU(N) Hubbard-Heisenberg model : A quantum Monte Carlo study by ASSAAD, F. F

Get full text

Excitation spectra and spin gap of the half-filled Holstein-Hubbard model by Hohenadler, Martin, Assaad, Fakher F.

“…Single- and two-particle excitation spectra of the one-dimensional, half-filled Holstein-Hubbard model are calculated using the continuous-time quantum Monte…”
Get full text

Plant Cytokinesis Is Orchestrated by the Sequential Action of the TRAPPII and Exocyst Tethering Complexes by Rybak, Katarzyna, Steiner, Alexander, Synek, Lukas, Klaeger, Susan, Kulich, Ivan, Facher, Eva, Wanner, Gerhard, Kuster, Bernhard, Zarsky, Viktor, Persson, Staffan, Assaad, Farhah F.

“…Plant cytokinesis is initiated in a transient membrane compartment, the cell plate, and completed by a process of maturation during which the cell plate…”
Get full text