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7 results for “Raman”

Article Open access

Warm subsurface water drives accelerating Antarctic sea-ice loss

Autonomous floats show that heat rising from the deep ocean, not just warmer air, is behind the abrupt decline of Antarctic sea ice since 2016.

Olga Rossi, Jun Patel … Fatima Raman

Lumen · published online 14 October 2026

Article Open access

Millisecond spin coherence at room temperature in a layered magnet

Spin defects hosted in a two-dimensional magnet stay quantum-coherent for more than a millisecond under ambient conditions, pointing to thin, integrable quantum sensors.

Sun-hee Becker, Diego Raman … Carlos Haddad

Lumen 3, 1–9 (2026)

Review Article Open access

Active matter: from bacterial swarms to robot collectives

Systems made of self-propelled units—from cells to robots—obey shared physical principles that are only now coming into focus.

Aisha Ivanova, Leila Kim … Priya Raman

Lumen 3, 21–30 (2026)