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quantum

# Episode Title Description People Date
1 DMRG in Quantum Chemistry: From its relation to traditional methods to n-orbital density matrices and beyond In my talk I will attempt to provide an overview on the application of the density matrix renormalization group (DMRG) algorithm in quantum chemistry. Markus Reiher 21 Oct 2016
2 (Almost) 25 Years of DMRG - What Is It About? In this talk, I will introduce DMRG both from the historical (statistical) and modern (matrix product state) perspective, highlighting why it has become the method of choice for one-dimensional quantum systems in and out of equilibrium. Ulrich Schollwöck 21 Oct 2016
3 Openness of a Many-fermion Quantum System from the Generalized Pauli Principle Information about the interaction of a many-electron quantum system with its environment is encoded within the one-electron density matrix (1-RDM). Romit Chakraborty 21 Oct 2016
4 Fermionic Exchange Symmetry: Quantifying its Influence beyond Pauli’s Exclusion Principle The Pauli exclusion principle has a strong impact on the properties and the behavior of most fermionic quantum systems. Remarkably, even stronger restrictions on fermionic natural occupation numbers follow from the fermionic exchange symmetry. Felix Tennie 21 Oct 2016
5 Quantum Marginal Problem and Generalized Pauli Constraints I will give an introduction to the univariate quantum marginal problem using an elementary mathematical point of view. In particular, I will explain how extremality of the local spectrum carries structural information about the global wave function. David Gross 21 Oct 2016
6 Introduction and Overview of the Reduced Density Matrix Functional Theory In this presentation, we review the theoretical foundations of RDMFT the most successful approximations and extensions, we assess present-day functionals on applications to molecular and periodic systems and we discuss the challenges and future prospect Nektarios N. Lathiotakis 21 Oct 2016
7 Two-electron Reduced Density Matrices in Quantum Chemistry and Physics Strongly correlated quantum systems are not easily described with conventional quantum chemistry formalism because the number of non-negligible configurations grows exponen- tially with the number of orbitals actively participating in the correlation. David A. Mazziotti 11 Oct 2016
8 Entanglement Spectroscopy and its application to the fractional quantum Hall phases In this talk, we will give an overview of the entanglement spectroscopy with a focus on to the fractional quantum Hall phases. Nicolas Regnault 11 Oct 2016
9 Why should anyone care about computing with anyons? In this talk Jiannis Pachos discusses a variety of different topics starting from characterizing knot invariants, their quantum simulation with exotic particles called anyons and finally the possible realization of anyons in the laboratory. Jiannis Pachos 11 Oct 2016
10 Quantum Geometry, Exclusion Statistics, and the Geometry of "Flux Attachment" in 2D Landau levels Duncan Haldane talks about Quantum Geometry, Exclusion Statistics, and the Geometry of "Flux Attachment" in 2D Landau levels. Duncan Haldane 11 Oct 2016
11 Exchange symmetry and anyon virial coefficients This talk mentions some aspects of the theory of identical particles, for example, treating neutrons and protons as identical particles distinguished by a quantum number called isotopic spin. Jan Myrheim 11 Oct 2016
12 Exchange statistics - Basic concepts In this talk Jon Magne Leinaas from University of Oslo reviews some of the basic ideas and questions related to the exchange symmetry of identical particles. Jon Magne Leinaas 11 Oct 2016
13 'Light' Part 2 - Harnessing a single photon What's the use of just one photon, the smallest bit of light? And what does it take to study it? Joelle Boutari 27 Jul 2016
14 Run for Your Light You may have heard the word “quantum” bandied around a lot. But what does it mean? In this animation we take a look at how the photon – the quantum particle of light – is being harnessed to help create new technologies like quantum computers. Robert Taylor, Steven Kolthammer, Josh Nunn 12 Apr 2016
15 How computers have changed the way we do physics - Breaking through the quantum barrier The power of available computers has now grown exponentially for many decades. The ability to discover numerically the implications of equations and models has opened our eyes to previously hidden aspects of physics. Thorsten Wahl 11 Feb 2016
16 Creative Commons Living in a quantum world Vlatko Vedral, Co-=Direct oof the Oxford Martin Programme on Bio-Inspired Quantum Technologies, gives a talk for theOxford Martin School. Vlatko Vedral 18 Aug 2015
17 "Hidden Worlds" Part 1 - Parallel Worlds Dr David Wallace discusses the concept of the multiverse – a physical reality that contains lots of universes, each of which inhabited by different versions of ourselves. David Wallace 15 Dec 2014
18 Creative Commons Quantum Measurement and Control: How to Roll a Six Everytime In this flash talk Wojciech Kozlowski discusses the bizarre properties of measurement and how we can harness its probabilistic nature to produce results. Wojciech Kozlowski 07 Jul 2014
19 Extra Time: Professor Sir Roger Penrose in conversation with Andrew Hodges - part one These two video sessions explore the development of Sir Roger Penrose’s thought over more than 60 years, ending with his most recent theories and predictions. Roger Penrose, Andrew Hodges 18 Jun 2014
20 Extra Time: Professor Sir Roger Penrose in conversation with Andrew Hodges - part two These two video sessions explore the development of Sir Roger Penrose’s thought over more than 60 years, ending with his most recent theories and predictions. Roger Penrose, Andrew Hodges 18 Jun 2014
21 What is a Quantum Computer? How does a quantum computer work? Why is a quantum computer so much better than a traditional computer? This talk will give you an insight into the strange features of the quantum world that we can exploit to develop a super fast quantum computer. Michael Peterer 04 Jun 2013
22 Creative Commons Parallel Worlds Dr. David Wallace on the many-worlds theory, an explanation of the baffling results that quantum mechanics provides us with - and that there may be more worlds than just our own. David Wallace, Ankita Anirban 20 Aug 2012
23 Creative Commons Quantum Paradoxes Prof. Vlatko Vedral on the mind-boggling and paradoxical nature of quantum mechanics and its consequences on modern technology - the possibilities of superfast computing and teleportation. Vlatko Vedral, Ankita Anirban 13 Aug 2012
24 Creative Commons 10 Billion bits of Entanglement Achieved in Silicon Scientists from Oxford University have made a significant step towards an ultrafast quantum computer by successfully generating 10 billion bits of quantum entanglement in silicon for the first time. This podcast explains how. John Morton 10 Mar 2011