Nicolas Behr
Nicolas Behr
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Holography as a highly efficient renormalization group flow. I. Rephrasing gravity
We investigate how the holographic correspondence can be reformulated as a generalization of Wilsonian renormalization group (RG) flow …
Nicolas Behr
,
Stanislav Kuperstein
,
Ayan Mukhopadhyay
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Matrix factorisations for rational boundary conditions by defect fusion
A large class of two-dimensional N=(2,2) superconformal field theories can be understood as IR fixed-points of Landau-Ginzburg models. …
Nicolas Behr
,
Stefan Fredenhagen
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Renormalization and redundancy in 2d quantum field theories
We analyze renormalization group (RG) flows in two-dimensional quantum field theories in the presence of redundant directions. We use …
Nicolas Behr
,
Anatoly Konechny
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Slides
New solid state lens for reflective neutron focusing
We have simulated, built and tested a neutron solid state lens based on a modified bender model. The device is 140 mm long and has a …
Roland Bartmann
,
Nicolas Behr
,
Andre Hilger
,
Thomas Krist
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D-branes and matrix factorisations in supersymmetric coset models
Matrix factorisations describe B-type boundary conditions in N=2 supersymmetric Landau-Ginzburg models. At the infrared fixed point, …
Nicolas Behr
,
Stefan Fredenhagen
Preprint
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Optical Antenna Properties of Scanning Probe Tips: Plasmonic Light Scattering, Tip-Sample Coupling, and Near-Field Enhancement
he optical near-field distribution and enhancement near the apex of model scanning probe tips are calculated within the quasistatic …
Nicolas Behr
,
Markus B. Raschke
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Reply to ``Comment on `Scanning-probe Raman spectroscopy with single-molecule sensitivity' ''
In the Comment by Domke and Pettinger [Phys. Rev. B 75, 236401 (2007)] on our study on ``Scanning-probe Raman spectroscopy with …
Catalin C. Neacsu
,
Jens Dreyer
,
Nicolas Behr
,
Markus B. Raschke
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Scanning-probe Raman spectroscopy with single-molecule sensitivity
Catalin C. Neacsu
,
Jens Dreyer
,
Nicolas Behr
,
Markus B. Raschke
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