Spectral functions in mathematics and physics K Kirsten AIP Conference Proceedings 484 (1), 106-146, 1999 | 536 | 1999 |

Heat kernel coefficients of the Laplace operator on the *D*‐dimensional ballM Bordag, E Elizalde, K Kirsten Journal of Mathematical Physics 37 (2), 895-916, 1996 | 291 | 1996 |

Casimir energies for massive scalar fields in a spherical geometry M Bordag, E Elizalde, K Kirsten, S Leseduarte Physical Review D 56 (8), 4896, 1997 | 219 | 1997 |

Bose-Einstein condensation of atomic gases in a general harmonic-oscillator confining potential trap K Kirsten, DJ Toms Physical Review A 54 (5), 4188, 1996 | 191 | 1996 |

Casimir energy for a massive fermionic quantum field with a spherical boundary E Elizalde, M Bordag, K Kirsten Journal of Physics A: Mathematical and General 31 (7), 1743, 1998 | 180 | 1998 |

Heat-kernels and functional determinants on the generalized cone M Bordag, K Kirsten, S Dowker Communications in mathematical physics 182, 371-393, 1996 | 175 | 1996 |

Ground state energy for a penetrable sphere and for a dielectric ball M Bordag, K Kirsten, D Vassilevich Physical Review D 59 (8), 085011, 1999 | 173 | 1999 |

Functional determinants by contour integration methods K Kirsten, AJ McKane Annals of Physics 308 (2), 502-527, 2003 | 149 | 2003 |

Zeta function determinant of the Laplace operator on the*D*-dimensional ballM Bordag, B Geyer, K Kirsten, E Elizalde Communications in Mathematical Physics 179, 215-234, 1996 | 142 | 1996 |

Massless minimally coupled fields in de Sitter space: O (4)-symmetric states versus de Sitter–invariant vacuum K Kirsten, J Garriga Physical Review D 48 (2), 567, 1993 | 124 | 1993 |

Condensate fluctuations in trapped Bose gases: Canonical vs. microcanonical ensemble M Holthaus, E Kalinowski, K Kirsten Annals of Physics 270 (1), 198-230, 1998 | 114 | 1998 |

Functional determinants for general Sturm–Liouville problems K Kirsten, AJ McKane Journal of Physics A: Mathematical and General 37 (16), 4649, 2004 | 110 | 2004 |

Free and self-interacting scalar fields in the presence of conical singularities G Cognola, K Kirsten, L Vanzo Physical Review D 49 (2), 1029, 1994 | 98 | 1994 |

Heat kernel asymptotics with mixed boundary conditions TP Branson, PB Gilkey, K Kirsten, DV Vassilevich Nuclear Physics B 563 (3), 603-626, 1999 | 95 | 1999 |

Vacuum energy in a spherically symmetric background field M Bordag, K Kirsten Physical Review D 53 (10), 5753, 1996 | 89 | 1996 |

Casimir energies for spherically symmetric cavities G Cognola, E Elizalde, K Kirsten Journal of Physics A: Mathematical and General 34 (36), 7311, 2001 | 87 | 2001 |

Generalized multidimensional Epstein zeta functions K Kirsten Journal of Mathematical Physics 35 (1), 459-470, 1994 | 87 | 1994 |

Bose-Einstein condensation in arbitrarily shaped cavities K Kirsten, DJ Toms Physical Review E 59 (1), 158, 1999 | 78 | 1999 |

Pre-inflationary universe in loop quantum cosmology T Zhu, A Wang, G Cleaver, K Kirsten, Q Sheng Physical Review D 96 (8), 083520, 2017 | 76 | 2017 |

Density of states for Bose-Einstein condensation in harmonic oscillator potentials K Kirsten, DJ Toms Physics Letters A 222 (3), 148-151, 1996 | 76 | 1996 |