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Ahl Laamara Rachid is Professor of physics at the Mohammed V University in Rabat, Morocco. He obtained his PhD degree in 2007 from the University of Mohammed V in Rabat, for a thesis entitled: gauge / gravity duality in the context of topological string theory. In2008hewas a Post-Doctoral fellow at the Centre for Theoretical Physics (CTP) at the British University in Egypt, In 2010 he was a educational director of the School of Management, Telecommunications and Computing– Rabat (Sup MTI), From 2012 to 2019 he is at the CRMEF-Fez-Meknes as a professor, and then directly joined the Department of Physics of the Faculty of Science of Rabat as a professor of theoretical physics. He has co-authored more than 80 papers in international journals. His research interests include mathematical physics, quantum computation and condensed matter physics.
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We study the properties of interacting line defects in the four-dimensional Chern Simons (CS) gauge theory with invariance given by the SL(m|n) super-group family. From this theory, we derive the oscillator realisation of the Lax operator for superspin chains with SL(m|n) symmetry. To this end, we investigate the holomorphic property of the bosonic Lax operator L and build a differential equation DL=0 solved by the Costello-Gaioto-Yagi realisation of L in the framework of the CS theory. We generalize this construction to the case of gauge super-groups, and develop a Dynkin super-diagram algorithm to deal with the decomposition of the Lie superalgebras. We obtain the generalisation of the Lax operator describing the interaction between the electric Wilson super-lines and the magnetic 't Hooft super-defects....
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As we enter the era of quantum technologies, quantum estimation theory provides an operationally motivating framework for determining high precision devices in modern technological applications. The aim of any estimation process is to extract information from an unknown parameter embedded in a physical system such as the estimation converges to the true value of the parameter. According to the Cramér-Rao inequality in mathematical statistics, the Fisher information in the case of single-parameter estimation procedures, and the Fisher information matrix in the case of multi-parameter estimation, are the key quantities representing the ultimate precision of the parameters specifying a given statistical model. In quantum estimation strategies, it is usually difficult to derive the analytical expressions of such quantities in a given quantum state. This review....
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Quantum teleportation of an unknown state basing on the interaction between discrete-valued states (DV) and continuous-valued states (CV) presented a particular challenge in quantum technologies. Here we consider the problem of controlled quantum teleportation of an amplitude-matched CV qubit, encoded by a coherent state of a varied phase as a superposition of the vacuum- and single-photon optical states among two distant partners Alice and Bob, with the consent of controller, Charlie. To achieve this task, we use an hybrid tripartite entangled state (interaction between the discrete and continuous variables states) as the quantum resource where the coherent part belongs to Alice, while the single-photon belongs to Bob and Charlie and the CV qubit is at the disposal of Alice. The discrete-continuous interaction is realized on highly transmissive beam-splitter. We have shown that.......
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The ab initio study of electronic, magnetic properties and Curie temperature of AlAs doped by single and double impurities is investigated using LDA–KKR–CPA method. It is shown that the Al substituted by V and/or Ti induces a half-metallic character and ferromagnetism in the system for different concentrations except co-doping by x=y=0.035. The stability of magnetism between the ferromagnetic and DLM states as well as the mechanism of exchange interaction are discussed. The density of states are plotted in the energy diagram for different concentrations of dopants. The co-doping with (V, Ti) increases Curie temperature in AlAs with respect to single substituant. The finding of this work confirms that the new compounds have a great potential for spintronic devices.
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Summer School Lectures
| Title | Citations | Year |
|---|---|---|
|
A comparative study of local quantum Fisher information and local quantum uncertainty in Heisenberg XY model A. Slaoui, L. Bakmou, M. Daoud, R. Ahl Laamara Physics Letters A 383 (2019), 2241-2247 |
42 | 2019 |
|
The dynamics of local quantum uncertainty and trace distance discord for two-qubit X states under decoherence: a comparative study
A. Slaoui, M. Daoud, R. Ahl Laamara Quantum Information Processing 17 (2018) 1-24 |
34 | 2018 |
|
Geometric measure of pairwise quantum discord for superpositions of multipartite generalized coherent states
M. Daoud and R. Ahl Laamara Physics Letters A, 376 (2012) 2361-2371 |
31 | 2012 |
|
Universal evolution of non-classical correlations due to collective spontaneous emission
A. Slaoui, M.I Shaukat, M. Daoud and R. Ahl Laamara The European Physical Journal Plus, 133 (2018) 413 |
27 | 2018 |
|
RG cascades in hyperbolic quiver gauge theories
R. Ahl Laamara, M.A.B Haddou, A Belhaj, L.B Drissi and E. H Saidi Nuclear Physics B, 702 (2004) 163-188 |
26 | 2004 |
|
Quantum discord for multipartite coherent states interpolating between Werner and Greenberger-Horne-Zeilinger states
M Daoud, R Ahl Laamara International Journal of Quantum Information, 10 (2012) 1250060 |
25 | 2012 |
|
Quantum Fisher information matrix in Heisenberg XY model
L Bakmou, A Slaoui, M Daoud and R Ahl Laamara Quantum Information Processing 18 (2019) 1-20. |
17 | 2019 |
|
Entanglement versus Gaussian quantum discord in a double-cavity opto-mechanical system
J El Qars, M Daoud, Ahl Laamara International Journal of Quantum Information 13 (2015), 1550041 |
17 | 2015 |
|
Black holes in type IIA string on Calabi–Yau threefolds with affine ADE geometries and q-deformed 2d quiver gauge theories
RA Laamara, A Belhaj, LB Drissi and EH Saidi Nuclear Physics B 776 (2007) 287-326 |
16 | 2007 |
|
On local Calabi–Yau supermanifolds and their mirrors
RA Laamara, A Belhaj, LB Drissi and EH Saidi Journal of Physics A: Mathematical and General 39 (2006), 5965 |
16 | 2006 |
|
Dynamical Gaussian quantum steering in optomechanics
J. El Qars, M. Daoud and R. Ahl Laamara The European Physical Journal D, 71 (2017), 1-10 |
15 | 2017 |
|
Multipartite quantum correlations in even and odd spin coherent states
M. Daoud, R. Ahl Laamara and W. Kaydi Journal of Physics A: Mathematical and Theoretical 46 (2013), 395302 |
14 | 2013 |
|
Enhanced electronic and magnetic properties of Cr-and Mn-Doped GeC zinc blende
N Mediane, F Goumrhar, LB Drissi, K Htoutou and R. Ahl Laamara Journal of Superconductivity and Novel Magnetism 33 (8), 2513-2520 |
13 | 2020 |
