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[[Image:ud_seal.jpg|left|120px]] <div style="font-size:160%;border:none;margin: 0;padding:.1em;color:#000">Welcome to Wiki of the Quantum Transport Theory Group at the University of Delaware </div>
[[Image:ud_seal.jpg|left|120px]] <div style="font-size:160%;border:none;margin: 0;padding:.1em;color:#000">Welcome to Wiki of the Quantum Transport Theory Group led by Prof. Dr. Branislav K. Nikolić </div>
 
 
<div style="top:+0.2em;font-size: 100%"> Our group is a member of the [https://wiki.physics.udel.edu/csb/Main_Page Center for Spintronics and Biodetection]</div>
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|style="font-size:95%;text-align:left;white-space:nowrap;color:#000"| [[About|Wiki goals]] '''·''' [http://web.physics.udel.edu/research/nanoscale-physics/ Physics & Astronomy] '''·''' [http://www.udel.edu University of Delaware]
|style="font-size:95%;text-align:left;white-space:nowrap;color:#000"| [[About|Wiki goals]] '''·''' [http://web.physics.udel.edu/ UD Physics & Astronomy] '''·''' [http://www.udel.edu University of Delaware] '''·''' [[Teaching Web]]
|style="font-size:95%;padding:10px 0;margin:0px;text-align:right;white-space:nowrap;color:#000"| [[Help:Contents|Help]] '''·''' [http://en.wikibooks.org/wiki/LaTeX WikiLaTeX] '''·''' [http://www.onelook.com/ Dictionary]
|style="font-size:95%;padding:10px 0;margin:0px;text-align:right;white-space:nowrap;color:#000"| [[Help:Contents|Help]] '''·''' [http://en.wikibooks.org/wiki/LaTeX WikiLaTeX] '''·''' [http://www.onelook.com/ Dictionary]
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! <h2 style="margin:0;background-color:#FFE680;font-size:120%;font-weight:bold;border:1px solid #BFAC60;text-align:left;color:#000;padding:0.2em 0.4em;">About QTTG</h2>
! <h2 style="margin:0;background-color:#FFE680;font-size:120%;font-weight:bold;border:1px solid #BFAC60;text-align:left;color:#000;padding:0.2em 0.4em;">About QTTG</h2>
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|style="color:#000"|Our group works on the frontier problems of transport of electron charge and spin in a variety of nanostructures. The [[Research|research topics]] that we are currently pursuing include [http://web.physics.udel.edu/research/nanoscale-physics/spintronics second-generation spintronics] operating with coherent spin states, [http://web.physics.udel.edu/research/nanoscale-physics/graphene-nanoelectronics graphene-based nanoelectronics], [http://web.physics.udel.edu/research/nanoscale-physics/nanoscale-thermoelectrics nanoscale thermoelectric devices], and strongly correlated heterostructures. We are also working on the development of new theoretical and computational formalisms, often involving massively parallel codes, which are required  to study quantum many-body systems far from equilibrium. The principal tools that we employ daily include nonequilibrium Green function theory, density functional theory, and dynamical mean field theory.
|style="color:#000"|Our theoretical condensed matter physics group is focused on nonequilibrium quantum and many-body systems, with close attention being paid to their realization in experiments and/or technological applications, such as:
* [https://wiki.physics.udel.edu/phys824/Main_Page quantum transport in nanostructures],
* [https://wiki.physics.udel.edu/wiki_qttg/images/9/94/Review_stt_sot.pdf spintronics],
* [https://wiki.physics.udel.edu/wiki_qttg/images/6/66/Tdnegf_llg_magnon_stt_afi_fm.pdf magnonics],
* [https://journals.aps.org/prx/abstract/10.1103/PhysRevX.11.021062 entanglement in solid-state materials or between qubits],  
* [https://wiki.physics.udel.edu/wiki_qttg/images/4/48/Tddft_jefimenko_nipt.pdf ultrafast-light-driven quantum materials and their heterostructures].
The principal tools that we employ daily include analytical Schwinger-Keldysh nonequilibrium quantum field theory, as well as computational [[Fast Facts about NEGF|nonequilibrium Green functions]], time-dependent density functional theory, time-dependent density matrix renormalization group, quantum-classical methods and their combination with high performance scientific computing. Our research is supported by the U.S. [http://www.nsf.gov/index.jsp National Science Foundation] and the [http://science.energy.gov/bes/epscor/  Department of Energy].
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! <h2 style="margin:0;background:#FFE680;font-size:120%;font-weight:bold;border:1px solid #BFAC60;text-align:left;color:#000;padding:0.2em 0.4em;">Research Highlights</h2>
! <h2 style="margin:0;background:#FFE680;font-size:120%;font-weight:bold;border:1px solid #BFAC60;text-align:left;color:#000;padding:0.2em 0.4em;">Research Highlights</h2>
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|style="color:#000"|{{Recently Completed Projects:}}
|style="color:#000"|{{Recently Completed Projects:}}
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! <h2 style="margin:0;background:#cedff2;font-size:120%;font-weight:bold;border:1px solid #a3b0bf;text-align:left;color:#000;padding:0.2em 0.4em;">QTTG Mottos</h2>
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|style="color:#000"|{{QTTG Mottos:}}
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! <h2 style="margin:0;background:#cedff2;font-size:120%;font-weight:bold;border:1px solid #a3b0bf;text-align:left;color:#000;padding:0.2em 0.4em;">QTTG Member Competences</h2>
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|style="color:#000"|{{QTTG Member Competences:}}
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Latest revision as of 19:14, 9 April 2024

Ud seal.jpg
Welcome to Wiki of the Quantum Transport Theory Group led by Prof. Dr. Branislav K. Nikolić
Wiki goals · UD Physics & Astronomy · University of Delaware · Teaching Web Help · WikiLaTeX · Dictionary

About QTTG

Our theoretical condensed matter physics group is focused on nonequilibrium quantum and many-body systems, with close attention being paid to their realization in experiments and/or technological applications, such as:

The principal tools that we employ daily include analytical Schwinger-Keldysh nonequilibrium quantum field theory, as well as computational nonequilibrium Green functions, time-dependent density functional theory, time-dependent density matrix renormalization group, quantum-classical methods and their combination with high performance scientific computing. Our research is supported by the U.S. National Science Foundation and the Department of Energy.

Research Highlights

Cover.png
The image on the left depicts bilayer-CrI3/monolayer-TaSe2 van der Waals heterostructure for which we predict current-pulse driven nonequilibrium phase transition where spin-orbit torque, generated by monolayer of metallic transition metal dichalcogenide TaSe2, switches insulating antiferromagnet bilayer-CrI3 into ferromagnet in reversible fashion and with those phases being stable in between two pulses.

News

Recently Completed Projects

QTTG Mottos

  • The outcome of any serious research can only be to make the two questions grow where only one grew before.
  • Employing the computer for the study of a model has the feeling of an experiment: you can ask clever "questions" to the "sample" under study, analyze data, and come up with an intuitive picture of what is happening. Very often the computer results are not what we were expecting a priori, thus there is a neat back and forth process until a convergence to a firm conclusion is reached. (Elbio Dagotto).

QTTG Member Competences

  • strong commitment,
  • attention to detail,
  • demonstrated ability to work with deadlines,
  • manage conflicting priorities,
  • excellent communication skills,
  • ability to work with highly qualified professionals with international backgrounds.


Wiki Getting Started

Consult User's Guide for information on using the wiki software.

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