Search Results - "Kjaergaard, Niels"

Observation of bound state self-interaction in a nano-eV atom collider by Thomas, Ryan, Chilcott, Matthew, Tiesinga, Eite, Deb, Amita B., Kjærgaard, Niels

“…Quantum mechanical scattering resonances for colliding particles occur when a continuum scattering state couples to a discrete bound state between them. The…”
Get full text

Above-threshold scattering about a Feshbach resonance for ultracold atoms in an optical collider by Horvath, Milena S. J., Thomas, Ryan, Tiesinga, Eite, Deb, Amita B., Kjærgaard, Niels

“…Ultracold atomic gases have realized numerous paradigms of condensed matter physics, where control over interactions has crucially been afforded by tunable…”
Get full text

Entanglement-assisted atomic clock beyond the projection noise limit by Louchet-Chauvet, Anne, Appel, Jürgen, Renema, Jelmer J, Oblak, Daniel, Kjaergaard, Niels, Polzik, Eugene S

Get full text

Effects of quantum mechanical identity in particle scattering: experimental observations (and lack thereof) by Kjaergaard, Niels

“…On the occasion of the 150th anniversary of Ernest Rutherford's birth I discuss how indistinguishabilty profoundly affects the collisions of identical…”
Get full text

Observation of Pauli blocking in light scattering from quantum degenerate fermions by Deb, Amita B, Kjærgaard, Niels

“…The Pauli exclusion principle forbids indistinguishable fermions from occupying the same quantum mechanical state. The implications of this are profound; for…”
Get full text

Imaging of s and d partial-wave interference in quantum scattering of identical bosonic atoms by THOMAS, Nicholas R, KJAEREAARD, Niels, JULIENNE, Paul S, WILSON, Andrew C

“…We report on the direct imaging of s and d partial-wave interference in cold collisions of atoms. Two ultracold clouds of 87Rb atoms were accelerated by…”
Get full text

Distant RF field sensing with a passive Rydberg-atomic transducer by Otto, J. Susanne, Chilcott, Matthew, Deb, Amita B., Kjærgaard, Niels

“…We combine a rubidium vapor cell with a corner-cube prism reflector to form a passive RF transducer, allowing the detection of microwave signals at a location…”
Get full text

Inhomogeneous light shift effects on atomic quantum state evolution in non-destructive measurements by Windpassinger, Patrick J, Oblak, Daniel, Busk Hoff, Ulrich, Appel, Jürgen, Kjærgaard, Niels, Polzik, Eugene S

Get full text

No cleverness - just greatness by Kjærgaard, Niels, Schumayer, Daniel

Get full text

What happens to urinary incontinence after pelvic organ prolapse surgery? by Ugianskiene, Aiste, Kjærgaard, Niels, Larsen, Thomas, Glavind, Karin

“…Introduction and hypothesis The beneficial effect of pelvic organ prolapse (POP) surgery on urge urinary incontinence (UI) is well described in the literature,…”
Get full text

Topological transport of a classical droplet in a lattice of time by Simula, Tapio, Kjærgaard, Niels, Pfau, Tilman

“…Thouless charge pumps are quantum mechanical devices whose operation relies on topology. They provide the means for transporting quantum matter in space…”
Get full text

First-line treatment of pelvic organ prolapse and discontinuation of pessary treatment by Umachanger, Janani Kantharooban, Marcussen, Mette Ladegaard, Bøggild, Henrik, Kjærgaard, Niels, Glavind, Karin

“…Introduction The primary objective of this study was to investigate the percentages of women choosing watchful waiting, pessary use or surgery as first-line…”
Get full text

Low-cost wireless condition monitoring system for an ultracold atom machine by Chilcott, Matthew, Kjærgaard, Niels

“…•Condition monitoring of complex laboratory setups using inexpensive wireless modules.•Develop modules that annex commercial apparatus of the laboratory…”
Get full text

Observing S-Matrix Pole Flow in Resonance Interplay by Chilcott, Matthew, Gayen, Samyajit, Croft, James, Thomas, Ryan, Kjærgaard, Niels

“…We provide an overview of experiments exploring resonances in the collision of ultracold clouds of atoms. Using a laser-based accelerator that capitalises on…”
Get full text

Experimental observation of the avoided crossing of two S -matrix resonance poles in an ultracold atom collider by Chilcott, Matthew, Thomas, Ryan, Kjærgaard, Niels

“…In quantum mechanics, collisions between two particles are captured by a scattering matrix which describes the transfer from an initial entrance state to an…”
Get full text

Squeezing of atomic quantum projection noise by Windpassinger, Patrick J., Oblak, Daniel, Hoff, Ulrich B., Louchet, Anne, Appel, Jürgen, Kjærgaard, Niels, Polzik, Eugene S.

“…We provide a framework for understanding recent experiments on squeezing of a collective atomic pseudo-spin, induced by a homodyne measurement on off-resonant…”
Get full text

Acute colonic pseudo-obstruction after cesarean section and gastrointestinal symptoms by Christensen, Katrine, Ostersen, Line H., Glavind, Karin, Krarup, Anne L., Kjærgaard, Niels

“…To investigate whether women who developed acute colonic pseudo-obstruction (ACPO) after cesarean section have a higher degree of gastro-intestinal symptoms…”
Get full text

Retrospective study on de novo postoperative urinary incontinence after pelvic organ prolapse surgery by Ugianskiene, Aiste, Kjærgaard, Niels, Inger Lindquist, Anna Sofie, Larsen, Thomas, Glavind, Karin

“…Reported incidences of de novo urinary incontinence (UI) following pelvic organ prolapse (POP) surgery in preoperatively continent women vary between 2% and…”
Get full text

Strong zero-field Förster resonances in K-Rb Rydberg systems by Otto, J. Susanne, Kjærgaard, Niels, Deb, Amita B.

“…We study resonant dipole-dipole coupling and the associated van der Waals energy shifts in Rydberg excited atomic rubidium and potassium and investigate…”
Get full text

Deterministic quantum state transfer of atoms in a random magnetic field by Sawyer, Bianca J., Chilcott, Matthew, Thomas, Ryan, Deb, Amita B., Kjærgaard, Niels

“…We propose a method for transferring atoms to a target quantum state for a multilevel quantum system with sequentially increasing, but otherwise unknown,…”
Get full text