Search Results - "JORDAN, Andrew N"
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1
Optimal adaptive control for quantum metrology with time-dependent Hamiltonians
Published in Nature communications (09-03-2017)“…Quantum metrology has been studied for a wide range of systems with time-independent Hamiltonians. For systems with time-dependent Hamiltonians, however, due…”
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2
Technical Advantages for Weak-Value Amplification: When Less Is More
Published in Physical review. X (06-03-2014)“…The technical merits of weak-value-amplification techniques are analyzed. We consider models of several different types of technical noise in an optical…”
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3
Arrow of Time for Continuous Quantum Measurement
Published in Physical review letters (01-12-2017)“…We investigate the statistical arrow of time for a quantum system being monitored by a sequence of measurements. For a continuous qubit measurement example, we…”
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4
Ultrasensitive beam deflection measurement via interferometric weak value amplification
Published in Physical review letters (01-05-2009)“…We report on the use of an interferometric weak value technique to amplify very small transverse deflections of an optical beam. By entangling the beam's…”
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5
Heat diode and engine based on quantum Hall edge states
Published in New journal of physics (09-07-2015)“…We investigate charge and energy transport in a three-terminal quantum Hall conductor. The peculiar properties of chiral propagation along the edges of the…”
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6
Weak values and the Leggett-Garg inequality in solid-state qubits
Published in Physical review letters (18-01-2008)“…An implementation of weak values is investigated in solid-state qubits. We demonstrate that a weak value can be nonclassical if and only if a Leggett-Garg…”
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7
Experimental demonstration of continuous quantum error correction
Published in Nature communications (28-04-2022)“…The storage and processing of quantum information are susceptible to external noise, resulting in computational errors. A powerful method to suppress these…”
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8
Rectification of thermal fluctuations in a chaotic cavity heat engine
Published in Physical review. B, Condensed matter and materials physics (01-05-2012)“…We investigate the rectification of thermal fluctuations in a mesoscopic on-chip heat engine. The engine consists of a hot chaotic cavity capacitively coupled…”
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9
Conditional teleportation of quantum-dot spin states
Published in Nature communications (15-06-2020)“…Among the different platforms for quantum information processing, individual electron spins in semiconductor quantum dots stand out for their long coherence…”
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10
Enhanced on-chip phase measurement by inverse weak value amplification
Published in Nature communications (29-10-2021)“…Optical interferometry plays an essential role in precision metrology such as in gravitational wave detection, gyroscopes, and environmental sensing. Weak…”
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11
Quantum measurement arrow of time and fluctuation relations for measuring spin of ultracold atoms
Published in Nature communications (23-03-2021)“…The origin of macroscopic irreversibility from microscopically time-reversible dynamical laws—often called the arrow-of-time problem—is of fundamental interest…”
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12
Correlations of heat and charge currents in quantum-dot thermoelectric engines
Published in New journal of physics (04-12-2013)“…We analyze the noise properties of both electric charge and heat currents as well as their correlations in a quantum-dot based thermoelectric engine. The…”
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13
Quantum Trajectories and Their Statistics for Remotely Entangled Quantum Bits
Published in Physical review. X (01-12-2016)“…We experimentally and theoretically investigate the quantum trajectories of jointly monitored transmon qubits embedded in spatially separated microwave…”
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14
Measurement-Based Quantum Thermal Machines with Feedback Control
Published in Entropy (Basel, Switzerland) (20-01-2023)“…We investigated coupled-qubit-based thermal machines powered by quantum measurements and feedback. We considered two different versions of the machine: (1) a…”
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15
Measuring fluorescence to track a quantum emitter's state: a theory review
Published in Contemporary physics (02-01-2020)“…We review the continuous monitoring of a qubit through its spontaneous emission, at an introductory level. Contemporary experiments have been able to collect…”
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16
Efficient Quantum Measurement Engines
Published in Physical review letters (29-06-2018)“…We propose quantum engines powered entirely by a position-resolving measurement performed on a quantum particle. These engines produce work by moving the…”
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17
Cross-cultural adaptation of the Spanish MINICHAL instrument into English for use in the United Kingdom
Published in Health and quality of life outcomes (04-03-2022)“…Hypertension is a highly prevalent condition, with optimal treatment to BP targets conferring significant gains in terms of cardiovascular outcomes…”
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18
Morphological and functional cardiac consequences of rapid hypertension treatment: a cohort study
Published in Journal of cardiovascular magnetic resonance (25-10-2021)“…Left ventricular (LV) hypertrophy (LVH) in uncontrolled hypertension is an independent predictor of mortality, though its regression with treatment improves…”
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19
Stochastic dynamics of a Josephson junction threshold detector
Published in Physical review letters (30-03-2007)“…We generalize the stochastic path integral formalism by considering Hamiltonian dynamics in the presence of general Markovian noise. Kramers' solution of the…”
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20
Variational Principle for Optimal Quantum Controls in Quantum Metrology
Published in Physical review letters (22-04-2022)“…We develop a variational principle to determine the quantum controls and initial state that optimizes the quantum Fisher information, the quantity…”
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