Ludwig-Maximilians-Universität Munich
Sommerfeld Lecture Series (ASC)
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Ludwig-Maximilians-Universität Munich
Sommerfeld Lecture Series (ASC)Episodes
Ludwig-Maximilians-Universität Munich
Sommerfeld Lecture Series (ASC)
A weekly podcast
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Episodes of Sommerfeld Lecture Series
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In this talk, I will discuss the applications of cavity electrodynamics for controlling many-body electron systems. The focus will be on achieving strong coupling between cavities and collective excitations of interacting electrons at Terahertz
The last three decades have witnessed the discovery of many new superconductors, with properties dramatically different from the conventional low temperature superconductors described by the Bardeen-Cooper- Schrieffer theory. These new supercon
Cosmic strings are linear defects that could be formed at a phase transition in the early universe. Strings are predicted in a wide class of particle physics models. In particular, fundamental strings of superstring theory can have astronomical
We consider information spreading measures in randomly initialized variational quantum circuits and introduce entanglement diagnostics for efficient computation. We study the correlation between quantum chaos diagnostics, the circuit expressibi
Advances in light sources and time resolved spectroscopy have made itpossible to excite specific atomic vibrations in solids and to observe theresulting changes in electronic properties. I argue that in narrow-bandsystems the dominant symmet
Which property of a material is more familiar to us than its color? And yet, the strange laws of quantum mechanics, which rule atoms, electrons and photons, are key to the understanding of this most beautiful feature! The invention and engineer
It is commonly recognized that scientific discoveries result in new technologies. In this talk we will discuss the reverse: behind every conceptual breakthrough lies some technological advance. To illustrate this point, we will review how moder
This talk will present an overview of recent progress towards a solution of oneof the grand-challenges of modern science: understanding the properties ofinteracting electrons in molecules and solids. After an introduction to thephysics I wil
Fluid turbulence is a major unsolved problem of physics exhibiting an emergent complex structure from simple rules. We will briefly review the problem and discuss three avenues towards its solution: field theory, holography and machine learning
Superconductivity, the ability of certain materials to conduct electricity withno resistance whatsoever, has fascinated scientists since its discovery byKammerlingh-Onnes in 1911. While much has been understood, the questionof predicting whi
“With four parameters I can fit an elephant; with five I can make it wag its tail.” Systems biology models of the cell have an enormous number of reactions between proteins, RNA, and DNA whose rates (parameters) are hard to measure. Models of c
Recent developments in cosmology suggest that the big bang was not a unique event in the cosmic history. Other big bangs constantly erupt in remote parts of the uni- verse, producing new worlds with great variety of physical properties. Some of
Turbulence is the last great unsolved problem of classical physics. But thereis no consensus on what it would mean to actually solve this problem. In thiscolloquium, I propose that turbulence is most fruitfully regarded as a problemin non-eq
The observation of gravitational wave signals by the two interferometers of the Laser Interferometer Gravitational-Wave Observatory (LIGO), and by the Virgo interferometer, has brought the first direct evidence for the existence of black holes,
In a letter written in 1867, James Clerk Maxwell described ahypothetical creature: a “neat-fingered being” capable ofseparating fast molecules from slow ones. Maxwell mused thatsuch a creature would seem to violate the second law ofthermody
According to the Landau description of Fermi liquids, low- energy excitations in metals are constructed out of quasiparticles – long-lived excitations which have the same quantum numbers as those of an electron in vacuum. In metals with strong
In November 2015, Albert Einstein finalized a new theory of gravitation, General Relativity (GR), which describes gravitation as a deformation of the structure of space-time. It took many years of conceptual deepening and observational discover
Strongly correlated metals exhibit anomalous transport propertieswhich have puzzled condensed matter physicists for many years.They are characterized by large resistivities which exceed the MottIoffe Reggel limit and large thermoelectric res
In many modern materials, electrons quantum‐entangle with each other across long distances, and produce new phases of matter, such as high temperature super‐conductors. We face the challenge of describing the entanglement of 10^{23} electrons,
From copper-oxide superconductors to rare-earth compounds, materials with strong electronic correlations have focused enormous attention over the last two decades. Solid-state chemistry, new elaboration techniques and improved experimental prob
Our understanding of simple solids, is firmly grounded on the Fermiliquid concept and powerful computational techniques built around thedensity functional theory. These ideas form the basis of our “standardmodel” of solid state physics and h
Although predictions of quantum gravity are typically at extremely high energy, several non-trivial constraints on its low energy effective theory have been found over the last decade or so. I will start by explaining why the unification of gen
The quantum adiabatic theorem governs the evolution of awavefunction under a slowly time-varying Hamiltonian. I willconsider the opposite limit of a Hamiltonian that is variedimpulsively: a strong perturbation U(x,t) is applied over a timei
Thermodynamics provides a robust conceptual framework andset of laws that govern the exchange of energy and matter.Although these laws were originally articulated for macroscopicobjects, nanoscale systems also exhibit “thermodynamic-like”be
Random matrix models are ubiquitous in physics and have beenstudied from many perspectives. One important application isproducing exactly solvable toy models of quantum gravity andstring theory. These models relate to deep mathematicalstruc
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