Search Results - "Eisert, J."
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1
Entangling Power and Quantum Circuit Complexity
Published in Physical review letters (09-07-2021)“…Notions of circuit complexity and cost play a key role in quantum computing and simulation where they capture the (weighted) minimal number of gates that is…”
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2
Positive Wigner functions render classical simulation of quantum computation efficient
Published in Physical review letters (07-12-2012)“…We show that quantum circuits where the initial state and all the following quantum operations can be represented by positive Wigner functions can be…”
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3
Quantum many-body systems out of equilibrium
Published in Nature physics (01-02-2015)“…How do closed quantum many-body systems driven out of equilibrium eventually achieve equilibration? And how do these systems thermalize, given that they…”
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4
Gently modulating optomechanical systems
Published in Physical review letters (20-11-2009)“…We introduce a framework of optomechanical systems that are driven with a mildly amplitude-modulated light field, but that are not subject to classical…”
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5
Strong Coupling Corrections in Quantum Thermodynamics
Published in Physical review letters (23-03-2018)“…Quantum systems strongly coupled to many-body systems equilibrate to the reduced state of a global thermal state, deviating from the local thermal state of the…”
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6
Thermodynamic work from operational principles
Published in New journal of physics (12-10-2016)“…In recent years we have witnessed a concentrated effort to make sense of thermodynamics for small-scale systems. One of the main difficulties is to capture a…”
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7
Advances in quantum teleportation
Published in Nature photonics (01-10-2015)“…This review covers state-of-the-art quantum teleportation technologies, from photonic qubits and optical modes to atomic ensembles, trapped atoms and…”
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8
Unravelling quantum dynamics using flow equations
Published in Nature physics (01-09-2024)“…The study of many-body quantum dynamics in strongly correlated systems is extremely challenging. To date, few numerical methods exist that are capable of…”
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9
Observation of non-Markovian micromechanical Brownian motion
Published in Nature communications (28-07-2015)“…All physical systems are to some extent open and interacting with their environment. This insight, basic as it may seem, gives rise to the necessity of…”
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10
Entanglement-Ergodic Quantum Systems Equilibrate Exponentially Well
Published in Physical review letters (15-11-2019)“…One of the outstanding problems in nonequilibrium physics is to precisely understand when and how physically relevant observables in many-body systems…”
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11
Quantum network routing and local complementation
Published in npj quantum information (06-09-2019)“…Quantum communication between distant parties is based on suitable instances of shared entanglement. For efficiency reasons, in an anticipated quantum network…”
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12
Probing the relaxation towards equilibrium in an isolated strongly correlated one-dimensional Bose gas
Published in Nature physics (01-04-2012)“…The problem of how complex quantum systems eventually come to rest lies at the heart of statistical mechanics. The maximum-entropy principle describes which…”
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13
Tensor Network Annealing Algorithm for Two-Dimensional Thermal States
Published in Physical review letters (22-02-2019)“…Tensor network methods have become a powerful class of tools to capture strongly correlated matter, but methods to capture the experimentally ubiquitous family…”
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14
Cooling by heating: very hot thermal light can significantly cool quantum systems
Published in Physical review letters (23-03-2012)“…We introduce the idea of actually cooling quantum systems by means of incoherent thermal light, hence giving rise to a counterintuitive mechanism of "cooling…”
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15
Thermal machines beyond the weak coupling regime
Published in New journal of physics (10-12-2014)“…How much work can be extracted from a heat bath using a thermal machine? The study of this question has a very long history in statistical physics in the…”
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16
Experimental quantum compressed sensing for a seven-qubit system
Published in Nature communications (17-05-2017)“…Well-controlled quantum devices with their increasing system size face a new roadblock hindering further development of quantum technologies. The effort of…”
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17
Matrix-product operators and states: NP-hardness and undecidability
Published in Physical review letters (17-10-2014)“…Tensor network states constitute an important variational set of quantum states for numerical studies of strongly correlated systems in condensed-matter…”
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18
A quantum central limit theorem for non-equilibrium systems: exact local relaxation of correlated states
Published in New journal of physics (28-05-2010)Get full text
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19
Fermionic Orbital Optimization in Tensor Network States
Published in Physical review letters (18-11-2016)“…Tensor network states and specifically matrix-product states have proven to be a powerful tool for simulating ground states of strongly correlated spin models…”
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20
Fidelity Witnesses for Fermionic Quantum Simulations
Published in Physical review letters (11-05-2018)“…The experimental interest and developments in quantum spin-1/2 chains has increased uninterruptedly over the past decade. In many instances, the target quantum…”
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