A course in mathematical physics 3: Quantum mechanics of atoms and molecules W Thirring Springer Science & Business Media, 2013 | 974* | 2013 |

A physical short-channel threshold voltage model for undoped symmetric double-gate MOSFETs Q Chen, EM Harrell, JD Meindl IEEE Transactions on electron devices 50 (7), 1631-1637, 2003 | 275 | 2003 |

Double wells EM Harrell Communications in Mathematical Physics 75 (3), 239-261, 1980 | 217 | 1980 |

Classical mathematical physics: dynamical systems and field theories W Thirring Springer Science & Business Media, 2013 | 169 | 2013 |

Schrödinger-type operators with continuous spectra MSP Eastham, H Kalf Pitman Publishing, 1982 | 167 | 1982 |

The mathematical theory of resonances whose widths are exponentially small E Harrell, B Simon Duke Mathematical Journal 47 (4), 845-902, 1980 | 116 | 1980 |

Intermittency and chaos in intracavity doubled lasers. II GE James, EM Harrell, R Roy Physical Review A 41 (5), 2778, 1990 | 104 | 1990 |

Singular perturbation potentials EM Harrell II Annals of Physics 105 (2), 379-406, 1977 | 104 | 1977 |

On trace identities and universal eigenvalue estimates for some partial differential operators E Harrell, J Stubbe Transactions of the American Mathematical Society 349 (5), 1797-1809, 1997 | 98 | 1997 |

Elimination of chaos in an intracavity-doubled Nd: YAG laser GE James, EM Harrell, C Bracikowski, K Wiesenfeld, R Roy Optics letters 15 (20), 1141-1143, 1990 | 97 | 1990 |

On the rate of asymptotic eigenvalue degeneracy EM Harrell Communications in Mathematical Physics 60 (1), 73-95, 1978 | 90 | 1978 |

Universal inequalities for the eigenvalues of Laplace and Schrödinger operators on submanifolds A El Soufi, E Harrell, S Ilias Transactions of the American Mathematical Society 361 (5), 2337-2350, 2009 | 76 | 2009 |

Bender-Wu formula and the Stark effect in hydrogen L Benassi, V Grecchi, E Harrell, B Simon Physical Review Letters 42 (11), 704, 1979 | 74 | 1979 |

On the placement of an obstacle or a well so as to optimize the fundamental eigenvalue EMH II, P Kröger, K Kurata SIAM journal on mathematical analysis 33 (1), 240-259, 2001 | 71 | 2001 |

Commutator bounds for eigenvalues, with applications to spectralgeometry EM Harrell II, PL Michel Communications in Partial Differential Equations 19 (11-12), 2037-2055, 1994 | 66 | 1994 |

High-order perturbation theory of the imaginary part of the resonance eigenvalues of the Stark effect in hydrogen and of the anharmonic oscillator with negative anharmonicity HJ Silverstone, E Harrell, C Grot Physical Review A 24 (4), 1925, 1981 | 63 | 1981 |

Perturbation theory for shape resonances and large barrier potentials MS Ashbaugh, EM Harrell Communications in Mathematical Physics 83 (2), 151-170, 1982 | 61 | 1982 |

The band-structure of a one-dimensional, periodic system in a scaling limit EM Harrell Annals of physics 119 (2), 351-369, 1979 | 60 | 1979 |

Some geometric bounds on eigenvalue gaps EM Harrell II Communications in Partial Differential Equations 18 (1-2), 179-198, 1993 | 59 | 1993 |

Conformally flat Riemannian metrics, Schrödinger operators, and semiclassical approximation EB Davies, EM Harrell II Journal of differential equations 66 (2), 165-188, 1987 | 57 | 1987 |