output
19942026
most citedArea laws for the entanglement entropy - a review

2.9k citations

Showing 2018 · quant-phShow all

42 papers · 2 filters

quant-ph2018★ 49 cited

The influence of pump coherence on the generation of position-momentum entanglement in down-conversion

Wuhong Zhang, Robert Fickler, Enno Giese +2

Strong correlations in two conjugate variables are the signature of quantum entanglement and have played a key role in the development of modern physics. Entangled photons have bec…

quant-ph2018★ 12 cited

Multi-color quantum control for suppressing ground state coherences in two-dimensional electronic spectroscopy

J. Lim, C. M. Bösen, A. D. Somoza +3

The measured multi-dimensional spectral response of different light harvesting complexes exhibits oscillatory features which suggest an underlying coherent energy transfer. However…

quant-ph2018★ 23 cited

Hybrid spatiotemporal architectures for universal linear optics

Daiqin Su, Ish Dhand, Lukas G. Helt +2

We present two hybrid linear-optical architectures that simultaneously exploit spatial and temporal degrees of freedom of light to effect arbitrary discrete unitary transformations…

quant-ph2018★ 116 cited

Experimental measurement of the quantum geometric tensor using coupled qubits in diamond

Min Yu, Pengcheng Yang, Musang Gong +9

Geometry and topology are fundamental concepts, which underlie a wide range of fascinating physical phenomena such as topological states of matter and topological defects. In quant…

quant-ph2018★ 182 cited

Efficient simulation of finite-temperature open quantum systems

Dario Tamascelli, Andrea Smirne, James Lim +2

Chain-mapping techniques in combination with the time-dependent density matrix renormalization group are a powerful tool for the simulation of open-system quantum dynamics. For fin…

quant-ph2018★ 7 cited

Advances in sequential measurement and control of open quantum systems

Stefano Gherardini, Andrea Smirne, Matthias M. Müller +1

Novel concepts, perspectives and challenges in measuring and controlling an open quantum system via sequential schemes are shown. We discuss how similar protocols, relying both on…

quant-ph2018★ 229 cited

Bounds on the capacity and power of quantum batteries

Sergi Julia-Farre, Tymoteusz Salamon, Arnau Riera +2

Quantum batteries, composed of quantum cells, are expected to outperform their classical analogs. The origin of such advantages lies in the role of quantum correlations, which may…

quant-ph2018

Sharp reversals of steady-state nuclear polarisation as a tool for quantum sensing

Q. Chen, Z. -Y. Wang, B. Tratzmiller +2

The polarisation dynamics of nuclear spins weakly coupled to an NV center is highly sensitive to the parameters of the microwave control and the nuclear Larmor frequency. What is c…

quant-ph2018★ 20 cited

Universal gaps for XOR games from estimates on tensor norm ratios

Guillaume Aubrun, Ludovico Lami, Carlos Palazuelos +2

We define and study XOR games in the framework of general probabilistic theories, which encompasses all physical models whose predictive power obeys minimal requirements. The bias…

quant-ph2018★ 74 cited

Revealing the emergence of classicality in nitrogen-vacancy centers

Thomas Unden, Daniel Louzon, Michael Zwolak +2

The origin of classical reality in our quantum world is a long-standing mystery. Here, we examine a nitrogen vacancy center evolving naturally in the presence of its environment to…

quant-ph2018★ 10 cited

Optical experiment to test negative probability in context of quantum-measurement selection

Junghee Ryu, Sunghyuk Hong, Joong-Sung Lee +6

Negative probability values have been widely employed as an indicator of the nonclassicality of quantum systems. Known as a quasiprobability distribution, they are regarded as a us…

quant-ph2018★ 28 cited

NV center based nano-NMR enhanced by deep learning

Nati Aharon, Amit Rotem, Liam P. McGuinness +3

The growing field of nano nuclear magnetic resonance (nano-NMR) seeks to estimate spectra or discriminate between spectra of minuscule amounts of complex molecules. While this fiel…

quant-ph2018★ 5 cited

Which-way interference within biomimetic unit-cells for efficient energy transfer

Davide Ferracin, Andrea Mattioni, Stefano Olivares +2

We show that `which-way' interference within unit-cells enhances the propagation along linear arrays made upon these basic units. As a working example, we address the exciton trans…

quant-ph2018★ 17 cited

A Primary Radiation Standard Based on Quantum Nonlinear Optics

Samuel Lemieux, Enno Giese, Robert Fickler +2

The spectrum of vacuum fluctuations of the electromagnetic field is determined solely from first physical principles and can be seen as a fundamental property that qualifies as a p…

quant-ph2018★ 16 cited

Improving the precision of frequency estimation via long-time coherences

Andrea Smirne, Andreas Lemmer, Martin B. Plenio +1

In the last years several estimation strategies have been formulated to determine the value of an unknown parameter in the most precise way, taking into account the presence of noi…

quant-ph2018★ 13 cited

Analog Quantum Simulation of Extremely Sub-Ohmic Spin-Boson Models

Mehdi Abdi, Martin B. Plenio

We propose a scheme for the quantum simulation of sub-Ohmic spin--boson models by color centers in free-standing hexagonal boron nitride (h-BN) membranes. The electronic spin of a…

quant-ph2018★ 15 cited

Kibble-Zurek scaling of the one-dimensional Bose-Hubbard model at finite temperatures

Werner Weiss, Matthias Gerster, Daniel Jaschke +2

We use tensor network methods - Matrix Product States, Tree Tensor Networks, and Locally Purified Tensor Networks - to simulate the one dimensional Bose-Hubbard model for zero and…

quant-ph2018★ 19 cited

Modulated Continuous Wave Control for Energy-efficient Electron-nuclear Spin Coupling

J. Casanova, E. Torrontegui, M. B. Plenio +2

We develop energy efficient, continuous microwave schemes to couple electron and nuclear spins, using phase or amplitude modulation to bridge their frequency difference. These cont…

quant-ph2018★ 23 cited

Unitary unravelling for the Dissipative Continuous Spontaneous Localization model: application to optomechanical experiments

J. Nobakht, M. Carlesso, S. Donadi +2

The Continuous Spontaneous Localization (CSL) model strives to describe the quantum-to-classical transition from the viewpoint of collapse models. However, its original formulation…

quant-ph2018★ 46 cited

Magnetic-field-learning using a single electronic spin in diamond with one-photon-readout at room temperature

Raffaele Santagati, Antonio A. Gentile, Sebastian Knauer +11

Nitrogen-vacancy (NV) centres in diamond are appealing nano-scale quantum sensors for temperature, strain, electric fields and, most notably, for magnetic fields. However, the cryo…

quant-ph2018★ 72 cited

Ultrastrong coupling regime of non-dipolar light-matter interactions

Simone Felicetti, Myung-Joong Hwang, Alexandre Le Boité

We present a circuit-QED scheme which allows to reach the ultrastrong coupling regime of a nondipolar interaction between a single qubit and a quantum resonator. We show that the s…

quant-ph2018★ 66 cited

Precision Limits in Quantum Metrology with Open Quantum Systems

Jan F. Haase, Andrea Smirne, Jan Kołodyński +2

The laws of quantum mechanics allow to perform measurements whose precision supersedes results predicted by classical parameter estimation theory. That is, the precision bound impo…

quant-ph2018★ 11 cited

Dynamical Ginzburg criterion for the quantum-classical crossover of the Kibble-Zurek mechanism

Matthias Gerster, Benedikt Haggenmiller, Ferdinand Tschirsich +2

We introduce a simple criterion for lattice models to predict quantitatively the crossover between the classical and the quantum scaling of the Kibble-Zurek mechanism, as the one o…

quant-ph2018★ 24 cited

The space atom laser: An isotropic source for ultra-cold atoms in microgravity

Matthias Meister, Albert Roura, Ernst M. Rasel +1

Atom laser experiments with Bose-Einstein condensates (BECs) performed in ground-based laboratories feature a coherent and directed beam of atoms which is accelerated by gravity. I…