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View article: Simulating Meson Scattering on Spin Quantum Simulators
Simulating Meson Scattering on Spin Quantum Simulators Open
Studying high-energy collisions of composite particles, such as hadrons and nuclei, is an outstanding goal for quantum simulators. However, preparation of hadronic wave packets has posed a significant challenge, due to the complexity of ha…
View article: Coherent polarization self-rotation
Coherent polarization self-rotation Open
We introduce and study coherent polarization self-rotation (CPSR), a two-photon light-matter interaction in dense alkali-metal vapors that enables both narrowband optical spectroscopy of magnetic transitions and coherent coupling between l…
View article: Quantum control of ion-atom collisions beyond the ultracold regime
Quantum control of ion-atom collisions beyond the ultracold regime Open
Tunable scattering resonances are crucial for controlling atomic and molecular systems. However, their use has so far been limited to ultracold temperatures. These conditions remain hard to achieve for most hybrid trapped ion-atom systems—…
View article: String-Breaking Dynamics in Quantum Adiabatic and Diabatic Processes
String-Breaking Dynamics in Quantum Adiabatic and Diabatic Processes Open
Confinement prohibits isolation of color charges, e.g., quarks, in nature via a process called string breaking: the separation of two charges results in an increase in the energy of a color flux, visualized as a string, connecting those ch…
View article: Observation of string-breaking dynamics in a quantum simulator
Observation of string-breaking dynamics in a quantum simulator Open
The spontaneous formation of particle pairs is one of the most intriguing phenomena in nature. A canonical example is when the potential energy between two elementary particles increases with their separation, as if the particles were conf…
View article: A Rotating-Wave Comagnetometer Detector for Particle Physics
A Rotating-Wave Comagnetometer Detector for Particle Physics Open
Many extensions of the Standard Model propose the existence of new particles or forces, aiming to answer mysteries such as the identity of the elusive dark matter. Atomic-based detectors are at the forefront of technologies designed to sea…
View article: Observation of string-breaking dynamics in a quantum simulator
Observation of string-breaking dynamics in a quantum simulator Open
Spontaneous particle-pair formation is a fundamental phenomenon in nature. It can, for example, appear when the potential energy between two particles increases with separation, as if they were connected by a tense string. Beyond a critica…
View article: Observation of the Symmetry-Protected Signature of 3-body Interactions
Observation of the Symmetry-Protected Signature of 3-body Interactions Open
Identifying and characterizing multi-body interactions in quantum processes remains a significant challenge. This is partly because 2-body interactions can produce an arbitrary time evolution, a fundamental fact often called the universali…
View article: Quantum Computing Universal Thermalization Dynamics in a (2+1)D Lattice Gauge Theory
Quantum Computing Universal Thermalization Dynamics in a (2+1)D Lattice Gauge Theory Open
Simulating non-equilibrium phenomena in strongly-interacting quantum many-body systems, including thermalization, is a promising application of near-term and future quantum computation. By performing experiments on a digital quantum comput…
View article: Quantum control of ion-atom collisions beyond the ultracold regime
Quantum control of ion-atom collisions beyond the ultracold regime Open
Tunable scattering resonances are crucial for controlling atomic and molecular systems. However, their use has so far been limited to ultracold temperatures. These conditions remain hard to achieve for most hybrid trapped ion-atom systems …
View article: Simulating Meson Scattering on Spin Quantum Simulators
Simulating Meson Scattering on Spin Quantum Simulators Open
Studying high-energy collisions of composite particles, such as hadrons and nuclei, is an outstanding goal for quantum simulators. However, preparation of hadronic wave packets has posed a significant challenge, due to the complexity of ha…
View article: Floquet control of interactions and edge states in a programmable quantum simulator
Floquet control of interactions and edge states in a programmable quantum simulator Open
Quantum simulators based on trapped ions enable the study of spin systems and models with rich dynamical phenomena. The Su-Schrieffer-Heeger (SSH) model for fermions in one dimension is a canonical example that can support a topological in…
View article: Experimental implementation of an efficient test of quantumness
Experimental implementation of an efficient test of quantumness Open
The authors implement a noninteractive test of quantumness, or an algorithm for verifying whether an untrusted device is capable of quantum computation, on an ion-trap quantum computer. Their results clearly exceed the classical bound.
View article: Digital quantum simulation of NMR experiments
Digital quantum simulation of NMR experiments Open
Simulations of nuclear magnetic resonance (NMR) experiments can be an important tool for extracting information about molecular structure and optimizing experimental protocols but are often intractable on classical computers for large mole…
View article: Observation of a finite-energy phase transition in a one-dimensional quantum simulator
Observation of a finite-energy phase transition in a one-dimensional quantum simulator Open
One of the most striking many-body phenomena in nature is the sudden change of macroscopic properties as the temperature or energy reaches a critical value. Such equilibrium transitions have been predicted and observed in two and three spa…
View article: Interactive cryptographic proofs of quantumness using mid-circuit measurements
Interactive cryptographic proofs of quantumness using mid-circuit measurements Open
The ability to perform measurements in the middle of a quantum circuit is a powerful resource. It underlies a wide range of applications, from remote state preparation to quantum error correction. Here we apply mid-circuit measurements for…
View article: Programmable <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>N</mml:mi></mml:math>-Body Interactions with Trapped Ions
Programmable -Body Interactions with Trapped Ions Open
Trapped atomic ion qubits or effective spins are a powerful quantum platform for quantum computation and simulation, featuring densely connected and efficiently programmable interactions between the spins. While native interactions between…
View article: Programmable Quantum Simulations of Bosonic Systems with Trapped Ions
Programmable Quantum Simulations of Bosonic Systems with Trapped Ions Open
Trapped atomic ion crystals are a leading platform for quantum simulations of spin systems, with programmable and long-range spin-spin interactions mediated by excitations of phonons in the crystal. We describe a complementary approach for…
View article: Continuous Symmetry Breaking in a Trapped-Ion Spin Chain
Continuous Symmetry Breaking in a Trapped-Ion Spin Chain Open
One-dimensional systems exhibiting a continuous symmetry can host quantum phases of matter with true long-range order only in the presence of sufficiently long-range interactions. In most physical systems, however, the interactions are sho…
View article: New constraints on axion-like dark matter from a SERF comagnetometer
New constraints on axion-like dark matter from a SERF comagnetometer Open
Ultralight axion-like particles are well-motivated relics that might compose the cosmological dark matter and source anomalous time-dependent magnetic fields. We report on new terrestrial bounds from the Noble And Alkali Spin Detectors for…
View article: Continuous Symmetry Breaking in a Trapped-Ion Spin Chain
Continuous Symmetry Breaking in a Trapped-Ion Spin Chain Open
One-dimensional systems exhibiting a continuous symmetry can host quantum phases of matter with true long-range order only in the presence of sufficiently long-range interactions. In most physical systems, however, the interactions are sho…
View article: Experimental Implementation of an Efficient Test of Quantumness
Experimental Implementation of an Efficient Test of Quantumness Open
A test of quantumness is a protocol where a classical user issues challenges to a quantum device to determine if it exhibits non-classical behavior, under certain cryptographic assumptions. Recent attempts to implement such tests on curren…
View article: Magnetic-field-independent spin-exchange relaxation-free magnetometer
Magnetic-field-independent spin-exchange relaxation-free magnetometer Open
SERF magnetometers based on dense ensembles of alkali-metal spins are precision quantum sensors that hold the record of measured and projected sensitivity to magnetic fields, in the $μ\textrm{G}-\textrm{mG}$ range. At geomagnetic fields ho…
View article: NASDUCK SERF: New constraints on axion-like dark matter from a SERF comagnetometer (Part 2)
NASDUCK SERF: New constraints on axion-like dark matter from a SERF comagnetometer (Part 2) Open
Part 2 of the full, (filtered) data from the paper "NASDUCK SERF: New constraints on axion-like dark matter from a SERF comagnetometer". This part of the dataset also includes a readme which explains the contents of both datasets. Note tha…
View article: NASDUCK SERF: New constraints on axion-like dark matter from a SERF comagnetometer (Part 1)
NASDUCK SERF: New constraints on axion-like dark matter from a SERF comagnetometer (Part 1) Open
Part 1 of the full, (filtered) data from the paper "NASDUCK SERF: New constraints on axion-like dark matter from a SERF comagnetometer"
View article: Constraints on axion-like dark matter from a SERF comagnetometer
Constraints on axion-like dark matter from a SERF comagnetometer Open
Ultralight axion-like particles are well-motivated relics that might compose the cosmological dark matter and source anomalous time-dependent magnetic fields. We report on terrestrial bounds from the Noble And Alkali Spin Detectors for Ult…
View article: Optical protection of alkali-metal atoms from spin relaxation
Optical protection of alkali-metal atoms from spin relaxation Open
We present an optical technique for suppressing relaxation in alkali-metal spins using a single off-resonant laser beam. The method harnesses a physical mechanism that synchronizes Larmor precession in the two hyperfine manifolds, protecti…