Efficient and wavelength-tunable second-harmonic generation towards the green gap

Kavli Affiliate: Kerry Vahala | First 5 Authors: Zhiquan Yuan, Jinhao Ge, Peng Liu, Bohan Li, Mingxiao Li | Summary: Achieving compact and efficient visible laser sources is crucial for a wide range of applications. However traditional semiconductor laser technology faces difficulties in producing high-brightness green light, leaving a green gap in wavelength coverage. Second-harmonic […]


Continue.. Efficient and wavelength-tunable second-harmonic generation towards the green gap

The Discriminant Power of Bubble Wall Velocities: Gravitational Waves and Electroweak Baryogenesis

Kavli Affiliate: Marcela Carena | First 5 Authors: Marcela Carena, Aurora Ireland, Tong Ou, Isaac R. Wang, | Summary: A precise determination of the bubble wall velocity $v_w$ is crucial for making accurate predictions of the baryon asymmetry and gravitational wave (GW) signals in models of electroweak baryogenesis (EWBG). Working in the local thermal equilibrium […]


Continue.. The Discriminant Power of Bubble Wall Velocities: Gravitational Waves and Electroweak Baryogenesis

The Discriminant Power of Bubble Wall Velocities: Gravitational Waves and Electroweak Baryogenesis

Kavli Affiliate: Marcela Carena | First 5 Authors: Marcela Carena, Marcela Carena, , , | Summary: A precise determination of the bubble wall velocity $v_w$ is crucial for making accurate predictions of the baryon asymmetry and gravitational wave (GW) signals in models of electroweak baryogenesis (EWBG). Working in the local thermal equilibrium approximation, we exploit […]


Continue.. The Discriminant Power of Bubble Wall Velocities: Gravitational Waves and Electroweak Baryogenesis

Long-term stable nonlinear evolutions of ultracompact black-hole mimickers

Kavli Affiliate: Ulrich Sperhake | First 5 Authors: Gareth Arturo Marks, Seppe J. Staelens, Tamara Evstafyeva, Ulrich Sperhake, | Summary: We study the stability of ultracompact boson stars admitting light rings combining a perturbative analysis with 3+1 numerical-relativity simulations with and without symmetry assumptions. We observe excellent agreement between all perturbative and numerical results which […]


Continue.. Long-term stable nonlinear evolutions of ultracompact black-hole mimickers

Long-term stable nonlinear evolutions of ultracompact black-hole mimickers

Kavli Affiliate: Ulrich Sperhake | First 5 Authors: , , , , | Summary: We study the stability of ultracompact boson stars admitting light rings combining a perturbative analysis with 3+1 numerical-relativity simulations with and without symmetry assumptions. We observe excellent agreement between all perturbative and numerical results which uniformly support the hypothesis that this […]


Continue.. Long-term stable nonlinear evolutions of ultracompact black-hole mimickers

Operational experience and performance of the Silicon Vertex Detector after the first long shutdown of Belle II

Kavli Affiliate: T. Higuchi | First 5 Authors: K. Ravindran, K. Adamczyk, H. Aihara, S. Bacher, S. Bahinipati | Summary: In 2024, the Belle II experiment resumed data taking after the Long Shutdown 1, which was required to install a two-layer pixel detector and upgrade accelerator components. We describe the challenges of this shutdown and […]


Continue.. Operational experience and performance of the Silicon Vertex Detector after the first long shutdown of Belle II

Premature supermassive black hole mergers in cosmological simulations of structure formation

Kavli Affiliate: Debora Sijacki | First 5 Authors: Stephanie Buttigieg, Debora Sijacki, Christopher J. Moore, Martin A. Bourne, | Summary: The co-evolution of massive black holes (BHs) and their host galaxies is well-established within the hierarchical galaxy formation paradigm. Large-scale cosmological simulations are an ideal tool to study the repeated BH mergers, accretion and feedback […]


Continue.. Premature supermassive black hole mergers in cosmological simulations of structure formation

Premature supermassive black hole mergers in cosmological simulations of structure formation

Kavli Affiliate: Debora Sijacki | First 5 Authors: Stephanie Buttigieg, Debora Sijacki, Christopher J. Moore, Martin A. Bourne, | Summary: The co-evolution of massive black holes (BHs) and their host galaxies is well-established within the hierarchical galaxy formation paradigm. Large-scale cosmological simulations are an ideal tool to study the repeated BH mergers, accretion and feedback […]


Continue.. Premature supermassive black hole mergers in cosmological simulations of structure formation

Premature supermassive black hole mergers in cosmological simulations of structure formation

Kavli Affiliate: Debora Sijacki | First 5 Authors: Stephanie Buttigieg, Debora Sijacki, Christopher J. Moore, Martin A. Bourne, | Summary: The co-evolution of massive black holes (BHs) and their host galaxies is well-established within the hierarchical galaxy formation paradigm. Large-scale cosmological simulations are an ideal tool to study the repeated BH mergers, accretion and feedback […]


Continue.. Premature supermassive black hole mergers in cosmological simulations of structure formation

Premature supermassive black hole mergers in cosmological simulations of structure formation

Kavli Affiliate: Debora Sijacki | First 5 Authors: , , , , | Summary: The co-evolution of massive black holes (BHs) and their host galaxies is well-established within the hierarchical galaxy formation paradigm. Large-scale cosmological simulations are an ideal tool to study the repeated BH mergers, accretion and feedback that conspire to regulate this process. […]


Continue.. Premature supermassive black hole mergers in cosmological simulations of structure formation