Emergent U(1) symmetry in non-particle-conserving one-dimensional models

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Zakaria Jouini, Natalia Chepiga, Loic Herviou, Frédéric Mila, | Summary: The properties of stable Luttinger liquid phases in models with a non-conserved number of particles are investigated. We study the Luttinger liquid phases in one-dimensional models of hard-core boson and spinless fermion chains where particles can be […]


Continue.. Emergent U(1) symmetry in non-particle-conserving one-dimensional models

Enhanced sensitivity and tunability of thermomechanical resonance near the buckling bifurcation

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Hanqing Liu, Gabriele Baglioni, Carla B. Constant, Herre S. J. van der Zant, Peter G. Steeneken | Summary: The high susceptibility of ultrathin two-dimensional (2D) material resonators to force and temperature makes them ideal systems for sensing applications and exploring thermomechanical coupling. Although […]


Continue.. Enhanced sensitivity and tunability of thermomechanical resonance near the buckling bifurcation

Frequency tunable, cavity-enhanced single erbium quantum emitter in the telecom band

Kavli Affiliate: Wolfgang Tittel | First 5 Authors: Yong Yu, Dorian Oser, Gaia Da Prato, Emanuele Urbinati, Javier Carrasco Ávila | Summary: Single quantum emitters embedded in solid-state hosts are an ideal platform for realizing quantum information processors and quantum network nodes. Among the currently-investigated candidates, Er$^{3+}$ ions are particularly appealing due to their 1.5 […]


Continue.. Frequency tunable, cavity-enhanced single erbium quantum emitter in the telecom band

All-microwave and low-cost Lamb shift engineering for a fixed frequency multi-level superconducting qubit

Kavli Affiliate: Gary A. Steele | First 5 Authors: Byoung-moo Ann, Gary A. Steele, , , | Summary: It is known that the quantum nature of the electromagnetic vacuum is responsible for the Lamb shift, which is a crucial phenomenon in quantum electrodynamics (QED). In circuit QED, the readout or bus resonators that are dispersively […]


Continue.. All-microwave and low-cost Lamb shift engineering for a fixed frequency multi-level superconducting qubit

All-microwave and low-cost Lamb shift engineering for a fixed frequency multi-level superconducting qubit

Kavli Affiliate: Gary A. Steele | First 5 Authors: Byoung-moo Ann, Gary A. Steele, , , | Summary: It is known that the electromagnetic vacuum is responsible for the Lamb shift, which is a crucial phenomenon in quantum electrodynamics (QED). In circuit QED, the readout or bus resonators that are dispersively coupled can result in […]


Continue.. All-microwave and low-cost Lamb shift engineering for a fixed frequency multi-level superconducting qubit

All-microwave Lamb shift engineering for a fixed frequency multi-level superconducting qubit

Kavli Affiliate: Gary A. Steele | First 5 Authors: Byoung-moo Ann, Gary A. Steele, , , | Summary: It is known that the electromagnetic vacuum is responsible for the Lamb shift, which is a crucial phenomenon in quantum electrodynamics (QED). In circuit QED, the readout or bus resonators that are dispersively coupled can result in […]


Continue.. All-microwave Lamb shift engineering for a fixed frequency multi-level superconducting qubit

Adversarial Hamiltonian learning of quantum dots in a minimal Kitaev chain

Kavli Affiliate: Eliska Greplova | First 5 Authors: Rouven Koch, David van Driel, Alberto Bordin, Jose L. Lado, Eliska Greplova | Summary: Determining Hamiltonian parameters from noisy experimental measurements is a key task for the control of experimental quantum systems. An experimental platform that recently emerged, and where knowledge of Hamiltonian parameters is crucial to […]


Continue.. Adversarial Hamiltonian learning of quantum dots in a minimal Kitaev chain

Adversarial Hamiltonian learning of quantum dots in a minimal Kitaev chain

Kavli Affiliate: Eliska Greplova | First 5 Authors: Rouven Koch, David van Driel, Alberto Bordin, Jose L. Lado, Eliska Greplova | Summary: Determining Hamiltonian parameters from noisy experimental measurements is a key task for the control of experimental quantum systems. An experimental platform that recently emerged, and where knowledge of Hamiltonian parameters is crucial to […]


Continue.. Adversarial Hamiltonian learning of quantum dots in a minimal Kitaev chain

Critical properties of the Majorana chain with competing interactions

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Natalia Chepiga, , , , | Summary: We study critical properties of a Majorana chain in the presence of two competing interactions of the shortest possible range. The obtained phase diagram is very rich and contains nine different phases, including three floating, two Ising, and four gapped […]


Continue.. Critical properties of the Majorana chain with competing interactions

Critical properties of the Majorana chain with competing interactions

Kavli Affiliate: Natalia Chepiga | First 5 Authors: Natalia Chepiga, , , , | Summary: We study critical properties of a Majorana chain in the presence of two competing interactions of the shortest possible range. The obtained phase diagram is very rich and contains nine different phases, including three floating, two Ising, and four gapped […]


Continue.. Critical properties of the Majorana chain with competing interactions