1.8k citations · 2.3k across the 27 of their papers we have counts for
28 papers
Stabilizer Statistical Mechanics: A Framework for Efficient Quantification and Classification of Magic States
William E. Salazar, Gaurav Saxena, Jack S. Baker +2
The partition function is statistical mechanics' answer to an exponentially large spectrum, distilling it into a single analytic object whose temperature dependence resolves the fu…
Measurement circuit ansatz: Naimark versus quantum neural-network measurements
Sung Won Yun, Thi Ha Kyaw, Joonwoo Bae
In this work, we present constructions of quantum circuits to implement general measurements on quantum hardware. Firstly, we investigate a quantum circuit ansatz by following the…
Designing quantum technologies with a quantum computer
Juan Naranjo, Thi Ha Kyaw, Gaurav Saxena +2
Interacting spin systems in solids underpin a wide range of quantum technologies, from quantum sensors and single-photon sources to spin-defect-based quantum registers and processo…
Error-Mitigation Enabled Multicomponent Quantum Simulations Beyond the Born-Oppenheimer Approximation
Delmar G. A. Cabral, Brandon Allen, Fabijan Pavošević +6
We introduce a multicomponent unitary coupled cluster framework for quantum simulations of molecular systems that incorporate both electronic and nuclear quantum effects beyond the…
Quenching, Fast and Slow: Breaking Kibble-Zurek Universal Scaling by Jumping along Geodesics
Thi Ha Kyaw, Guillermo Romero, Gaurav Saxena
A major drawback of adiabatic quantum computing (AQC) is fulfilling the energy gap constraint, which requires the total evolution time to scale inversely with the square of the min…
Universal initial state preparation for first quantized quantum simulations
Jack S. Baker, Gaurav Saxena, Thi Ha Kyaw
Preparing symmetry-adapted initial states is a principal bottleneck in first-quantized quantum simulation. We present a universal approach that efficiently maps any polynomial-size…
Quantum Resilience: Canadian Innovations in Quantum Error Correction and Quantum Error Mitigation
Gaurav Saxena, Jack S. Baker, Pablo Díez Valle +3
In celebration of the 2025 International Year of Quantum Science and Technology, this article highlights the pioneering achievements and ongoing innovations in quantum error correc…
Constant Runtime Error Mitigation via Restricted Evolution
Gaurav Saxena, Thi Ha Kyaw
Error mitigation techniques, while instrumental in extending the capabilities of near-term quantum computers, often suffer from exponential resource scaling with noise levels. To a…
The QUATRO Application Suite: Quantum Computing for Models of Human Cognition
Raghavendra Pradyumna Pothukuchi, Leon Lufkin, Yu Jun Shen +14
Research progress in quantum computing has, thus far, focused on a narrow set of application domains. Expanding the suite of quantum application domains is vital for the discovery…
Practical limitations of quantum data propagation on noisy quantum processors
Gaurav Saxena, Ahmed Shalabi, Thi Ha Kyaw
The variational quantum imaginary time evolution algorithm is efficient in finding the ground state of a quantum Hamiltonian. This algorithm involves solving a system of linear equ…
Stable many-body resonances in open quantum systems
Ruben Peña, Thi Ha Kyaw, Guillermo Romero
Periodically driven quantum many-body systems exhibit novel nonequilibrium states such as prethermalization, discrete time crystals, and many-body localization. Recently, the gener…
Variational quantum iterative power algorithms for global optimization
Thi Ha Kyaw, Micheline B. Soley, Brandon Allen +4
We introduce a family of variational quantum algorithms called quantum iterative power algorithms (QIPA) that outperform existing hybrid near-term quantum algorithms of the same ki…
Learning quantum dynamics with latent neural ODEs
Matthew Choi, Daniel Flam-Shepherd, Thi Ha Kyaw +1
The core objective of machine-assisted scientific discovery is to learn physical laws from experimental data without prior knowledge of the systems in question. In the area of quan…
Toward Reliability in the NISQ Era: Robust Interval Guarantee for Quantum Measurements on Approximate States
Maurice Weber, Abhinav Anand, Alba Cervera-Lierta +6
Near-term quantum computation holds potential across multiple application domains. However, imperfect preparation and evolution of states due to algorithmic and experimental shortc…
Geometric and holonomic quantum computation
Jiang Zhang, Thi Ha Kyaw, Stefan Filipp +3
Geometric and holonomic quantum computation utilizes intrinsic geometric properties of quantum-mechanical state spaces to realize quantum logic gates. Since both geometric phases a…
Noisy intermediate-scale quantum (NISQ) algorithms
Kishor Bharti, Alba Cervera-Lierta, Thi Ha Kyaw +11
A universal fault-tolerant quantum computer that can solve efficiently problems such as integer factorization and unstructured database search requires millions of qubits with low…
Mutual information-assisted Adaptive Variational Quantum Eigensolver
Zi-Jian Zhang, Thi Ha Kyaw, Jakob S. Kottmann +2
Adaptive construction of ansatz circuits offers a promising route towards applicable variational quantum eigensolvers on near-term quantum hardware. Those algorithms aim to build u…
Quantum Computer-Aided design of Quantum Optics Hardware
Jakob S. Kottmann, Mario Krenn, Thi Ha Kyaw +2
The parameters of a quantum system grow exponentially with the number of involved quantum particles. Hence, the associated memory requirement goes well beyond the limit of best cla…
Quantum computer-aided design: digital quantum simulation of quantum processors
Thi Ha Kyaw, Tim Menke, Sukin Sim +5
With the increasing size of quantum processors, sub-modules that constitute the processor hardware will become too large to accurately simulate on a classical computer. Therefore,…
Resource-efficient digital quantum simulation of -level systems for photonic, vibrational, and spin- Hamiltonians
Nicolas P. D. Sawaya, Tim Menke, Thi Ha Kyaw +3
Simulation of quantum systems is expected to be one of the most important applications of quantum computing, with much of the theoretical work so far having focused on fermionic an…
Dynamical quantum phase transitions and non-Markovian dynamics
Thi Ha Kyaw, Victor M. Bastidas, Jirawat Tangpanitanon +2
In the context of closed quantum systems, when a system prepared in its ground state undergoes a sudden quench, the resulting Loschmidt echo can exhibit zeros, resembling the Fishe…
Cluster state generation in one-dimensional Kitaev honeycomb model via shortcut to adiabaticity
Thi Ha Kyaw, Leong-Chuan Kwek
We propose a mean to obtain computationally useful resource states also known as cluster states, for measurement-based quantum computation, via transitionless quantum driving algor…
Floquet stroboscopic divisibility in non-Markovian dynamics
V. M. Bastidas, Thi Ha Kyaw, Jirawat Tangpanitanon +3
We provide a general discussion of the Liouvillian spectrum for a system coupled to a non-Markovian bath using Floquet theory. This approach is suitable when the system is describe…
Parity-preserving light-matter system mediates effective two-body interactions
Thi Ha Kyaw, Sebastian Allende, Leong-Chuan Kwek +1
We study the equilibrium and non-equilibrium physics of two qubits interacting through an ultrastrong coupled qubit-cavity system. By tuning the qubits energy gap while keeping the…