Zobrazeno 1 - 10
of 299
pro vyhledávání: '"Feist, Johannes"'
Sum-frequency generation (SFG) allows for coherent upconversion of an electromagnetic signal and has applications in mid-infrared vibrational spectroscopy of molecules. Recent experimental and theoretical studies have shown that plasmonic nanocavitie
Externí odkaz:
http://arxiv.org/abs/2409.05124
The manipulation of low-energy matter properties such as superconductivity, ferromagnetism and ferroelectricity via cavity quantum electrodynamics engineering has been suggested as a way to enhance these many-body collective phenomena. In this work,
Externí odkaz:
http://arxiv.org/abs/2407.19478
Publikováno v:
Nature Communications 15, 4000 (2024)
Magnetic order typically emerges due to the short-range exchange interaction between the constituent electronic spins. Recent discoveries have found a crucial role for spin-phonon coupling in various phenomena from optical ultrafast magnetization swi
Externí odkaz:
http://arxiv.org/abs/2405.09246
The fast dynamics of molecular polaritonics is scrutinized theoretically through the implementation of two-dimensional spectroscopy protocols. We derive conceptually simple and computationally efficient formulas to calculate two-dimensional spectra f
Externí odkaz:
http://arxiv.org/abs/2403.04734
Memoryless (Markovian) system-bath interactions are of fundamental interest in physics. While typically, the absence of memory originates from the characteristics of the bath, here we demonstrate that it can result from the system becoming lossy due
Externí odkaz:
http://arxiv.org/abs/2402.16096
Master equations play a pivotal role in investigating open quantum systems. In particular, the Bloch-Redfield equation stands out due to its relation to a concrete physical environment. However, without further approximations it does not lead to a Li
Externí odkaz:
http://arxiv.org/abs/2402.06354
The full information about the interaction between a quantum emitter and an arbitrary electromagnetic environment is encoded in the so-called spectral density. We present an approach for describing such interaction in any coupling regime, providing a
Externí odkaz:
http://arxiv.org/abs/2312.15324
Publikováno v:
Phys. Rev. B 109, L201408 (2024)
The use of cavity quantum electrodynamical effects, i.e., of vacuum electromagnetic fields, to modify material properties in cavities has rapidly gained popularity and interest in the last few years. However, there is still a scarcity of general resu
Externí odkaz:
http://arxiv.org/abs/2311.00183
Autor:
Bujalance, Clara, Calio, Laura, Dirin, Dmitry N., Tiede, David O., Galisteo-Lopez, Juan F., Feist, Johannes, Garcia-Vidal, Francisco J., Kovalenko, Maksym V., Miguez, Hernan
Strong coupling between lead halide perovskite materials and optical resonators enables both the polaritonic control of the photophysical properties of these emerging semiconductors and the observation of novel fundamental physical phenomena. However
Externí odkaz:
http://arxiv.org/abs/2306.10884
Despite significant theoretical efforts devoted to studying the interaction between quantized light modes and matter, the so-called ultra-strong coupling regime still presents significant challenges for theoretical treatments and prevents the use of
Externí odkaz:
http://arxiv.org/abs/2305.13171