Optimal state transfer and entanglement generation in power-law interacting systems
We present an optimal protocol for encoding an unknown qubit state into a multiqubit
Greenberger-Horne-Zeilinger-like state and, consequently, transferring quantum information …
Greenberger-Horne-Zeilinger-like state and, consequently, transferring quantum information …
On the Pauli Spectrum of QAC0
The circuit class QAC 0 was introduced by Moore (1999) as a model for constant depth
quantum circuits where the gate set includes many-qubit Toffoli gates. Proving lower bounds …
quantum circuits where the gate set includes many-qubit Toffoli gates. Proving lower bounds …
Constant-depth circuits for Uniformly Controlled Gates and Boolean functions with application to quantum memory circuits
We explore the power of the unbounded Fan-Out gate and the Global Tunable gates
generated by Ising-type Hamiltonians in constructing constant-depth quantum circuits, with …
generated by Ising-type Hamiltonians in constructing constant-depth quantum circuits, with …
Quantum fan-out: Circuit optimizations and technology modeling
Instruction scheduling is a key compiler optimization in quantum computing, just as it is for
classical computing. Current schedulers optimize for data parallelism by allowing …
classical computing. Current schedulers optimize for data parallelism by allowing …
Constant-depth circuits for Boolean functions and quantum memory devices using multi-qubit gates
We explore the power of the unbounded Fan-Out gate and the Global Tunable gates
generated by Ising-type Hamiltonians in constructing constant-depth quantum circuits, with …
generated by Ising-type Hamiltonians in constructing constant-depth quantum circuits, with …
Bounds on the QAC Complexity of Approximating Parity
G Rosenthal - arxiv preprint arxiv:2008.07470, 2020 - arxiv.org
QAC circuits are quantum circuits with one-qubit gates and Toffoli gates of arbitrary arity.
QAC $^ 0$ circuits are QAC circuits of constant depth, and are quantum analogues of AC …
QAC $^ 0$ circuits are QAC circuits of constant depth, and are quantum analogues of AC …
On the computational power of QAC0 with barely superlinear ancillae
$\mathrm {QAC}^ 0$ is the family of constant-depth polynomial-size quantum circuits
consisting of arbitrary single qubit unitaries and multi-qubit Toffoli gates. It was introduced by …
consisting of arbitrary single qubit unitaries and multi-qubit Toffoli gates. It was introduced by …
Quantum State and Unitary Complexity
G Rosenthal - 2023 - search.proquest.com
Many natural problems in quantum computing involve constructing a quantum state or
implementing a unitary transformation. However, relatively little is known about the …
implementing a unitary transformation. However, relatively little is known about the …
[PDF][PDF] On the power of interleaved low-depth quantum and classical circuits
A Anand - 2022 - uwspace.uwaterloo.ca
Low-depth quantum circuits are a well-suited model for near-term quantum devices, given
short coherence times and noisy gate operations, making it pivotal to examine their …
short coherence times and noisy gate operations, making it pivotal to examine their …
Implementing the quantum fanout operation with simple pairwise interactions
It has been shown that, for even $ n $, evolving $ n $ qubits according to a Hamiltonian that
is the sum of pairwise interactions between the particles, can be used to exactly implement …
is the sum of pairwise interactions between the particles, can be used to exactly implement …