86 citations · 261 across the 24 of their papers we have counts for
28 papers
Moving quantum sensors
Evan Zhang, Erfan Abbasgholinejad, Yu-Xin Wang +6
We investigate whether controlled motion of a quantum sensor offers a metrological advantage in a field-detection task. We consider a localized field of known strength occupyin…
Super-Exponential Advantage of Squeezed Light in Phase Estimation under Discrete Phase Randomisation
Lorcan O. Conlon, V Vijendran, Aritra Das +7
A paradigmatic task in quantum metrology is that of phase estimation. For this task it is commonly believed, under reasonable assumptions about prior information, that a quadratic…
Mediating gates between polar molecules using microwave-dressed Rydberg atoms
Bas Gerritsen, Sean R. Muleady, Arghavan Safavi-Naini +2
We propose a scheme for mediating many simultaneous, fast entangling gates between pairs of polar molecules using Rydberg atoms. By using microwave drives, the dipolar interactions…
Error-corrected function estimation advantage in multiparameter Hamiltonians
Erfan Abbasgholinejad, Lorcán O. Conlon, Sean R. Muleady +4
We establish the ultimate precision limits for estimating a function of multiple Hamiltonian parameters in the presence of Markovian noise. By reducing multiparameter function esti…
Motional Kerr-Cat States of an Atom in an Optical Tweezer
Steven K. Pampel, Gur Lubin, Dawson P. Hewatt +6
Schrödinger cat states - quantum superpositions of classically or macroscopically distinct states - constitute a powerful resource for quantum computing, enhanced metrology, and pr…
Multiparameter function estimation for general Hamiltonians
Erfan Abbasgholinejad, Sean R. Muleady, Jacob Bringewatt +2
Estimation of physical parameters encoded in a Hamiltonian is a central task in quantum sensing and learning. While the ultimate precision limit for estimating a single parameter c…
Unconventional entanglement scaling and quantum criticality in the long-range spin-one Heisenberg chain with single-ion anisotropy
Patrick Adelhardt, Sean R. Muleady, Kai P. Schmidt +1
Long-range interactions can fundamentally reshape the low-energy properties of low-dimensional quantum matter, altering both continuous symmetry breaking and topological phenomena.…
Quantum simulation of the Dicke model in a two-dimensional ion crystal
Bryce Bullock, Sean R. Muleady, Jennifer F. Lilieholm +6
Quantum many-body systems driven far from equilibrium can exhibit phase transitions, chaos and entanglement, but probing these phenomena in large, nearly closed systems remains cha…
Interacting electrons in silicon quantum interconnects
Anantha S. Rao, Christopher David White, Sean R. Muleady +2
Coherent interconnects between gate-defined silicon quantum processing units are essential for scalable quantum computation and long-range entanglement. We argue that one-dimension…
Hybrid qubit-oscillator module from motional states of two interacting atoms
Jaeyong Hwang, Tianrui Xu, Sean R. Muleady +5
We propose a qubit-oscillator platform based on the motional states of two interacting atoms in an optical tweezer. By stroboscopically modulating an engineered trap with tunable a…
Optimally learning functions in interacting quantum sensor networks
Erfan Abbasgholinejad, Sean R. Muleady, Jacob Bringewatt +4
Estimating extensive combinations of local parameters in distributed quantum systems is a central problem in quantum sensing, with applications ranging from magnetometry to timekee…
Error mitigation of shot-to-shot fluctuations in analog quantum simulators
Thomas Steckmann, De Luo, Yu-Xin Wang +7
Analog quantum simulators have provided key insights into quantum many-body dynamics. However, in such systems, both coherent and incoherent errors limit their scalability, hinderi…
Lieb-Mattis states for robust entangled differential phase sensing
Raphael Kaubruegger, Diego Fallas Padilla, Athreya Shankar +9
We explore a two-node, entanglement-enhanced sensor network for differential phase sensing that exploits decoherence-free subspaces to suppress common-mode noise, a primary limitat…
Efficient preparation of Dicke states
Jeffery Yu, Sean R. Muleady, Yu-Xin Wang +3
We present an algorithm utilizing mid-circuit measurement and feedback that prepares Dicke states with polylogarithmically many ancillas and polylogarithmic depth. Our algorithm us…
Enhancement of Rydberg Blockade via Microwave Dressing
Deniz Kurdak, Patrick R. Banner, Yaxin Li +4
Experimental control over the strength and angular dependence of interactions between atoms is a key capability for advancing quantum technologies. Here, we use microwave dressing…
Measuring bipartite spin correlations of lattice-trapped dipolar atoms
Youssef Aziz Alaoui, Sean R. Muleady, Edwin Chaparro +5
We demonstrate a bipartition technique using a super-lattice architecture to access correlations between alternating planes of a mesoscopic array of spin-3 chromium atoms trapped i…
Observation of generalized t-J spin dynamics with tunable dipolar interactions
Annette N. Carroll, Henrik Hirzler, Calder Miller +8
Long-range and anisotropic dipolar interactions profoundly modify the dynamics of particles hopping in a periodic lattice potential. We report the realization of a generalized t-J…
Validating phase-space methods with tensor networks in two-dimensional spin models with power-law interactions
Sean R. Muleady, Mingru Yang, Steven R. White +1
Using a recently developed extension of the time-dependent variational principle for matrix product states, we evaluate the dynamics of 2D power-law interacting XXZ models, impleme…
Quantum-enhanced sensing on an optical transition via emergent collective quantum correlations
Johannes Franke, Sean R. Muleady, Raphael Kaubruegger +5
The control over quantum states in atomic systems has led to the most precise optical atomic clocks to date. Their sensitivity is currently bounded by the standard quantum limit, a…
Comparison of Spontaneous Emission in Trapped Ion Multiqubit Gates at High Magnetic Fields
Allison L. Carter, Sean R. Muleady, Athreya Shankar +5
Penning traps have been used for performing quantum simulations and sensing with hundreds of ions and provide a promising route toward scaling up trapped ion quantum platforms beca…
Enhancing spin squeezing using soft-core interactions
Jeremy T. Young, Sean R. Muleady, Michael A. Perlin +2
We propose a new protocol for preparing spin squeezed states in controllable atomic, molecular, and optical systems, with particular relevance to emerging optical clock platforms c…
Time-of-Flight Quantum Tomography of Single Atom Motion
M. O. Brown, S. R. Muleady, W. J. Dworschack +4
Time of flight is an intuitive way to determine the velocity of particles and lies at the heart of many capabilities ranging from mass spectrometry to fluid flow measurements. Here…
Measuring correlations from the collective spin fluctuations of a large ensemble of lattice-trapped dipolar spin-3 atoms
Youssef Aziz Alaoui, Bihui Zhu, Sean Robert Muleady +5
We perform collective spin measurements to study the buildup of two-body correlations between spin chromium atoms pinned in a 3D optical lattice. The spins inte…
Fast generation of spin squeezing via resonant spin-boson coupling
Diego Barberena, Sean R. Muleady, John J. Bollinger +2
We propose protocols for the creation of useful entangled states in a system of spins collectively coupled to a bosonic mode, directly applicable to trapped-ion and cavity QED setu…