Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …

This paper reviews quantum spin squeezing, which characterizes the sensitivity of a state
with respect to SU (2) rotations, and is significant for both entanglement detection and high …

In 1935, Einstein, Podolsky, and Rosen (EPR) conceived a gedanken experiment which
became a cornerstone of quantum technology and still challenges our understanding of …

Interference is fundamental to wave dynamics and quantum mechanics. The quantum wave
properties of particles are exploited in metrology using atom interferometers, allowing for …

Atom chips provide a versatile quantum laboratory for experiments with ultracold atomic
gases. They have been used in diverse experiments involving low-dimensional quantum …

We use a small Bose-Einstein condensate on an atom chip as an interferometric scanning
probe to map out a microwave field near the chip surface with a few micrometers resolution …

We use collective oscillations of a two-component Bose-Einstein condensate (2CBEC) of 87
Rb atoms prepared in the internal states| 1〉≡| F= 1, m F=− 1〉 and| 2〉≡| F= 2, m F= 1〉 for …

Entanglement-based technologies, such as quantum information processing, quantum
simulations and quantum-enhanced metrology, have the potential to revolutionize our way …

We analyze quantum computation using quantum information stored on two component
Bose-Einstein condensates (BECs). We construct a general framework for quantum …

Squeezed states, special kinds of entangled states, are known as a useful resource for
quantum metrology. In interferometric sensors, they allow us to overcome …