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pro vyhledávání: '"P., Roulleau"'
Publikováno v:
Youth and Globalization; January 2024, Vol. 5 Issue: 2 p319-326, 8p
Autor:
Kumar, Ravi, Srivastav, Saurabh Kumar, Roy, Ujjal, Singhal, Ujjawal, Watanabe, K., Taniguchi, T., Singh, Vibhor, Roulleau, P., Das, Anindya
The charge neutrality point of bilayer graphene, denoted as {\nu} = 0 state, manifests competing phases marked by spontaneously broken isospin (spin/valley/layer) symmetries under external magnetic and electric fields. However, due to their electrica
Externí odkaz:
http://arxiv.org/abs/2409.09663
Autor:
Delagrange, Raphaëlle, Garg, Manjari, Breton, Gaëlle Le, Zhang, Aifei, Dong, Quan, Jin, Yong, Watanabe, Kenji, Taniguchi, Takashi, Roulleau, Preden, Maillet, Olivier, Roche, Patrice, Parmentier, François D.
Under high perpendicular magnetic field and at low temperatures, graphene develops an insulating state at the charge neutrality point. This state, dubbed $\nu=0$, is due to the interplay between electronic interactions and the four-fold spin and vall
Externí odkaz:
http://arxiv.org/abs/2409.08878
Akademický článek
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Autor:
Delagrange, Raphaëlle, Breton, Gaëlle Le, Watanabe, Kenji, Taniguchi, Takashi, Roulleau, Preden, Roche, Patrice, Parmentier, François D
Recent low-temperature electron transport experiments in high-quality graphene rely on a technique of doped graphene leads, where the coupling between the graphene flake and its metallic contacts is increased by locally tuning graphene to high doping
Externí odkaz:
http://arxiv.org/abs/2408.17264
We present a minimal model capturing the intriguing physics of the fractional quantum Hall state at filling factor $\nu=2/3$. Inserting fictive reservoirs \textemdash either Landauer Reservoirs (LRs) or Energy Preservings Reservoirs (EPRs) \textemdas
Externí odkaz:
http://arxiv.org/abs/2407.07208
Autor:
Borisov, Lev, Roulleau, Xavier
For a complex elliptic curve $E$ and a point $p$ of order $n$ on it, the images of the points $p_k=kp$ under the Weierstrass embedding of $E$ into $\mathbb{C}\mathbb{P}^2$ are collinear if and only if the sum of indices is divisible by $n$. Thus, it
Externí odkaz:
http://arxiv.org/abs/2404.04364
Autor:
Pokora, Piotr, Roulleau, Xavier
We construct new examples of free curve arrangements in the complex projective plane using point-line operators recently defined by the second author. In particular, we construct a new example of a conic-line arrangement with ordinary quasi-homogeneo
Externí odkaz:
http://arxiv.org/abs/2403.20024
Autor:
Kühne, Lukas, Roulleau, Xavier
This paper further studies the matroid realization space of a specific deformation of the regular $n$-gon with its lines of symmetry. Recently, we obtained that these particular realization spaces are birational to the elliptic modular surfaces $\Xi_
Externí odkaz:
http://arxiv.org/abs/2402.18207
Autor:
Chakraborti, Himadri, Gorini, Cosimo, Knothe, Angelika, Liu, Ming-Hao, Makk, Péter, Parmentier, Francois D., Perconte, David, Richter, Klaus, Roulleau, Preden, Sacépé, Benjamin, Schönenberger, Christian, Yang, Wenmin
In the last decade, graphene has become an exciting platform for electron optical experiments, in many aspects superior to conventional two-dimensional electron gases (2DEGs). A major advantage, besides the ultra-large mobilities, is the fine control
Externí odkaz:
http://arxiv.org/abs/2401.04233